131359856 has 10 divisors (see below), whose sum is σ = 254509752. Its totient is φ = 65679920.

The previous prime is 131359849. The next prime is 131359861. The reversal of 131359856 is 658953131.

It is a super-3 number, since 3×131359856³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 4104980 + ... + 4105011.

Almost surely, 2^131359856 is an apocalyptic number.

131359856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131359856 is a deficient number, since it is larger than the sum of its proper divisors (123149896).

131359856 is an equidigital number, since it uses as much as digits as its factorization.

131359856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209999 (or 8209993 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 131359856 is about 11461.2327434705. The cubic root of 131359856 is about 508.3399258364.

The spelling of 131359856 in words is "one hundred thirty-one million, three hundred fifty-nine thousand, eight hundred fifty-six".