132931 has 4 divisors (see below), whose sum is σ = 133672. Its totient is φ = 132192.

The previous prime is 132929. The next prime is 132947. The reversal of 132931 is 139231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 132931 - 2¹ = 132929 is a prime.

It is a super-2 number, since 2×132931² = 35341301522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132899 and 132908.

It is not an unprimeable number, because it can be changed into a prime (132911) by changing a digit.

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, 91 + ... + 523.

It is an arithmetic number, because the mean of its divisors is an integer number (33418).

2¹³²⁹³¹ is an apocalyptic number.

132931 is the 211-st hex number.

132931 is a deficient number, since it is larger than the sum of its proper divisors (741).

132931 is an equidigital number, since it uses as much as digits as its factorization.

132931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 162, while the sum is 19.

The square root of 132931 is about 364.5970378377. The cubic root of 132931 is about 51.0358584163.

The spelling of 132931 in words is "one hundred thirty-two thousand, nine hundred thirty-one".