131612984 has 32 divisors (see below), whose sum is σ = 252201600. Its totient is φ = 64374240.

The previous prime is 131612983. The next prime is 131612989. The reversal of 131612984 is 489216131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131612983) 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, 78119 + ... + 79785.

It is an arithmetic number, because the mean of its divisors is an integer number (7881300).

Almost surely, 2^131612984 is an apocalyptic number.

It is an amenable number.

131612984 is a deficient number, since it is larger than the sum of its proper divisors (120588616).

131612984 is a wasteful number, since it uses less digits than its factorization.

131612984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1879 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 131612984 is about 11472.2702199695. The cubic root of 131612984 is about 508.6662368560. Note that the first 3 decimals are identical.

The spelling of 131612984 in words is "one hundred thirty-one million, six hundred twelve thousand, nine hundred eighty-four".