131995672 has 16 divisors (see below), whose sum is σ = 249442560. Its totient is φ = 65477664.

The previous prime is 131995663. The next prime is 131995691. The reversal of 131995672 is 276599131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63943 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (15590160).

Almost surely, 2^131995672 is an apocalyptic number.

It is an amenable number.

131995672 is a deficient number, since it is larger than the sum of its proper divisors (117446888).

131995672 is a wasteful number, since it uses less digits than its factorization.

131995672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130050 (or 130046 counting only the distinct ones).

The product of its digits is 102060, while the sum is 43.

The square root of 131995672 is about 11488.9369395084. The cubic root of 131995672 is about 509.1587720989.

The spelling of 131995672 in words is "one hundred thirty-one million, nine hundred ninety-five thousand, six hundred seventy-two".