131929716 has 48 divisors (see below), whose sum is σ = 319225536. Its totient is φ = 42372864.

The previous prime is 131929709. The next prime is 131929783. The reversal of 131929716 is 617929131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46120 + ... + 48896.

It is an arithmetic number, because the mean of its divisors is an integer number (6650532).

Almost surely, 2^131929716 is an apocalyptic number.

It is an amenable number.

131929716 is an abundant number, since it is smaller than the sum of its proper divisors (187295820).

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

131929716 is a wasteful number, since it uses less digits than its factorization.

131929716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2926 counting only the distinct ones).

The product of its digits is 20412, while the sum is 39.

The square root of 131929716 is about 11486.0661673177. The cubic root of 131929716 is about 509.0739519669.

The spelling of 131929716 in words is "one hundred thirty-one million, nine hundred twenty-nine thousand, seven hundred sixteen".