131791732 has 12 divisors (see below), whose sum is σ = 235999456. Its totient is φ = 64363320.

The previous prime is 131791729. The next prime is 131791739. The reversal of 131791732 is 237197131.

131791732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131791739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382944 + ... + 383287.

Almost surely, 2^131791732 is an apocalyptic number.

It is an amenable number.

131791732 is a deficient number, since it is larger than the sum of its proper divisors (104207724).

131791732 is a wasteful number, since it uses less digits than its factorization.

131791732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766278 (or 766276 counting only the distinct ones).

The product of its digits is 7938, while the sum is 34.

The square root of 131791732 is about 11480.0580137907. The cubic root of 131791732 is about 508.8964115670.

The spelling of 131791732 in words is "one hundred thirty-one million, seven hundred ninety-one thousand, seven hundred thirty-two".