131256882 has 16 divisors (see below), whose sum is σ = 291682080. Its totient is φ = 43752276.

The previous prime is 131256869. The next prime is 131256889. The reversal of 131256882 is 288652131.

It is a happy number.

131256882 is a `hidden beast` number, since 1 + 3 + 12 + 568 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (131256889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215288 + ... + 1215395.

It is an arithmetic number, because the mean of its divisors is an integer number (18230130).

Almost surely, 2^131256882 is an apocalyptic number.

131256882 is an abundant number, since it is smaller than the sum of its proper divisors (160425198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131256882 is a wasteful number, since it uses less digits than its factorization.

131256882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430694 (or 2430688 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 131256882 is about 11456.7395885566. The cubic root of 131256882 is about 508.2070605883.

The spelling of 131256882 in words is "one hundred thirty-one million, two hundred fifty-six thousand, eight hundred eighty-two".