131158400715 has 48 divisors (see below), whose sum is σ = 237173384448. Its totient is φ = 69532170336.

The previous prime is 131158400707. The next prime is 131158400797. The reversal of 131158400715 is 517004851131.

It is a happy number.

131158400715 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 584 + 0 + 0 + 71 + 5 = 666.

It is not a de Polignac number, because 131158400715 - 2³ = 131158400707 is a prime.

It is a super-2 number, since 2×131158400715² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131158400715.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120297 + ... + 526106.

It is an arithmetic number, because the mean of its divisors is an integer number (4941112176).

Almost surely, 2^131158400715 is an apocalyptic number.

131158400715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131158400715 is a deficient number, since it is larger than the sum of its proper divisors (106014983733).

131158400715 is an equidigital number, since it uses as much as digits as its factorization.

131158400715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646590 (or 646578 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 131158400715 in words is "one hundred thirty-one billion, one hundred fifty-eight million, four hundred thousand, seven hundred fifteen".