131910956 has 12 divisors (see below), whose sum is σ = 244423368. Its totient is φ = 62075712.

The previous prime is 131910953. The next prime is 131911027. The reversal of 131910956 is 659019131.

It is not an unprimeable number, because it can be changed into a prime (131910953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969866 + ... + 970001.

It is an arithmetic number, because the mean of its divisors is an integer number (20368614).

Almost surely, 2^131910956 is an apocalyptic number.

It is an amenable number.

131910956 is a deficient number, since it is larger than the sum of its proper divisors (112512412).

131910956 is a wasteful number, since it uses less digits than its factorization.

131910956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939888 (or 1939886 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 131910956 is about 11485.2494966370. The cubic root of 131910956 is about 509.0498212395.

The spelling of 131910956 in words is "one hundred thirty-one million, nine hundred ten thousand, nine hundred fifty-six".