131599937850 has 24 divisors (see below), whose sum is σ = 326367846240. Its totient is φ = 35093316720.

The previous prime is 131599937809. The next prime is 131599937863. The reversal of 131599937850 is 58739995131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438666310 + ... + 438666609.

It is an arithmetic number, because the mean of its divisors is an integer number (13598660260).

Almost surely, 2^131599937850 is an apocalyptic number.

131599937850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131599937850 is an abundant number, since it is smaller than the sum of its proper divisors (194767908390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131599937850 is a wasteful number, since it uses less digits than its factorization.

131599937850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877332934 (or 877332929 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 60.

The spelling of 131599937850 in words is "one hundred thirty-one billion, five hundred ninety-nine million, nine hundred thirty-seven thousand, eight hundred fifty".