131252656 has 10 divisors (see below), whose sum is σ = 254302052. Its totient is φ = 65626320.

The previous prime is 131252621. The next prime is 131252683. The reversal of 131252656 is 656252131.

131252656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101630 + ... + 4101661.

Almost surely, 2^131252656 is an apocalyptic number.

131252656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131252656 is a deficient number, since it is larger than the sum of its proper divisors (123049396).

131252656 is an equidigital number, since it uses as much as digits as its factorization.

131252656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203299 (or 8203293 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 131252656 is about 11456.5551541465. Note that the first 3 decimals coincide. The cubic root of 131252656 is about 508.2016063827.

The spelling of 131252656 in words is "one hundred thirty-one million, two hundred fifty-two thousand, six hundred fifty-six".