131560972 has 12 divisors (see below), whose sum is σ = 230784120. Its totient is φ = 65622656.

The previous prime is 131560969. The next prime is 131561009. The reversal of 131560972 is 279065131.

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, 37573 + ... + 40924.

It is an arithmetic number, because the mean of its divisors is an integer number (19232010).

Almost surely, 2^131560972 is an apocalyptic number.

It is an amenable number.

131560972 is a deficient number, since it is larger than the sum of its proper divisors (99223148).

131560972 is a wasteful number, since it uses less digits than its factorization.

131560972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78920 (or 78918 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 131560972 is about 11470.0031386221. The cubic root of 131560972 is about 508.5992215981.

The spelling of 131560972 in words is "one hundred thirty-one million, five hundred sixty thousand, nine hundred seventy-two".