131616156 has 36 divisors (see below), whose sum is σ = 357245448. Its totient is φ = 37604448.

The previous prime is 131616053. The next prime is 131616167. The reversal of 131616156 is 651616131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111331 + ... + 112506.

Almost surely, 2^131616156 is an apocalyptic number.

It is an amenable number.

131616156 is an abundant number, since it is smaller than the sum of its proper divisors (225629292).

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

131616156 is a wasteful number, since it uses less digits than its factorization.

131616156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223858 (or 223849 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 131616156 is about 11472.4084655316. The cubic root of 131616156 is about 508.6703232724.

The spelling of 131616156 in words is "one hundred thirty-one million, six hundred sixteen thousand, one hundred fifty-six".