132505 has 4 divisors (see below), whose sum is σ = 159012. Its totient is φ = 106000.

The previous prime is 132499. The next prime is 132511. The reversal of 132505 is 505231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (132499) and next prime (132511).

It can be written as a sum of positive squares in 2 ways, for example, as 46656 + 85849 = 216^2 + 293^2 .

It is not a de Polignac number, because 132505 - 2^{11} = 130457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13246 + ... + 13255.

It is an arithmetic number, because the mean of its divisors is an integer number (39753).

2^{132505} is an apocalyptic number.

It is an amenable number.

132505 is a deficient number, since it is larger than the sum of its proper divisors (26507).

132505 is an equidigital number, since it uses as much as digits as its factorization.

132505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 132505 is about 364.0123624274. The cubic root of 132505 is about 50.9812823790.

Subtracting from 132505 its product of nonzero digits (150), we obtain a triangular number (132355 = T_{514}).

Adding to 132505 its reverse (505231), we get a palindrome (637736).

The spelling of 132505 in words is "one hundred thirty-two thousand, five hundred five".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •