131357672 has 8 divisors (see below), whose sum is σ = 246295650. Its totient is φ = 65678832.

The previous prime is 131357663. The next prime is 131357683. The reversal of 131357672 is 276753131.

It can be written as a sum of positive squares in only one way, i.e., 87347716 + 44009956 = 9346^2 + 6634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8209847 + ... + 8209862.

Almost surely, 2^131357672 is an apocalyptic number.

It is an amenable number.

131357672 is a deficient number, since it is larger than the sum of its proper divisors (114937978).

131357672 is a wasteful number, since it uses less digits than its factorization.

131357672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16419715 (or 16419711 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 131357672 is about 11461.1374653653. The cubic root of 131357672 is about 508.3371085867.

It can be divided in two parts, 1313 and 57672, that added together give a palindrome (58985).

The spelling of 131357672 in words is "one hundred thirty-one million, three hundred fifty-seven thousand, six hundred seventy-two".