131572372 has 12 divisors (see below), whose sum is σ = 233495136. Its totient is φ = 64859480.

The previous prime is 131572369. The next prime is 131572387. The reversal of 131572372 is 273275131.

131572372 = 169² + 170² + ... + 736².

It is a super-2 number, since 2×131572372² = 34622578147412768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231358 + ... + 231925.

It is an arithmetic number, because the mean of its divisors is an integer number (19457928).

Almost surely, 2^131572372 is an apocalyptic number.

It is an amenable number.

131572372 is a deficient number, since it is larger than the sum of its proper divisors (101922764).

131572372 is a wasteful number, since it uses less digits than its factorization.

131572372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463358 (or 463356 counting only the distinct ones).

The product of its digits is 8820, while the sum is 31.

The square root of 131572372 is about 11470.5000762826. The cubic root of 131572372 is about 508.6139115262.

The spelling of 131572372 in words is "one hundred thirty-one million, five hundred seventy-two thousand, three hundred seventy-two".