131672372 has 12 divisors (see below), whose sum is σ = 248151876. Its totient is φ = 60771840.

The previous prime is 131672371. The next prime is 131672389. The reversal of 131672372 is 273276131.

It can be written as a sum of positive squares in 2 ways, for example, as 59660176 + 72012196 = 7724^2 + 8486^2 .

It is a super-2 number, since 2×131672372² = 34675227096212768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131672371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266029 + ... + 1266132.

It is an arithmetic number, because the mean of its divisors is an integer number (20679323).

Almost surely, 2^131672372 is an apocalyptic number.

It is an amenable number.

131672372 is a deficient number, since it is larger than the sum of its proper divisors (116479504).

131672372 is a wasteful number, since it uses less digits than its factorization.

131672372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532178 (or 2532176 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 131672372 is about 11474.8582562052. The cubic root of 131672372 is about 508.7427341918.

The spelling of 131672372 in words is "one hundred thirty-one million, six hundred seventy-two thousand, three hundred seventy-two".