131255716 has 12 divisors (see below), whose sum is σ = 230315932. Its totient is φ = 65451168.

The previous prime is 131255689. The next prime is 131255791. The reversal of 131255716 is 617552131.

It can be written as a sum of positive squares in 2 ways, for example, as 37088100 + 94167616 = 6090^2 + 9704^2 .

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, 42495 + ... + 45478.

Almost surely, 2^131255716 is an apocalyptic number.

It is an amenable number.

131255716 is a deficient number, since it is larger than the sum of its proper divisors (99060216).

131255716 is a wasteful number, since it uses less digits than its factorization.

131255716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88350 (or 88348 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 131255716 is about 11456.6887013657. The cubic root of 131255716 is about 508.2055557246.

The spelling of 131255716 in words is "one hundred thirty-one million, two hundred fifty-five thousand, seven hundred sixteen".