131672916 has 36 divisors (see below), whose sum is σ = 335960352. Its totient is φ = 43479504.

The previous prime is 131672887. The next prime is 131672929. The reversal of 131672916 is 619276131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 13240 + ... + 20943.

It is an arithmetic number, because the mean of its divisors is an integer number (9332232).

Almost surely, 2^131672916 is an apocalyptic number.

It is an amenable number.

131672916 is an abundant number, since it is smaller than the sum of its proper divisors (204287436).

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

131672916 is a wasteful number, since it uses less digits than its factorization.

131672916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34300 (or 34295 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 131672916 is about 11474.8819601772. The cubic root of 131672916 is about 508.7434348087.

The spelling of 131672916 in words is "one hundred thirty-one million, six hundred seventy-two thousand, nine hundred sixteen".