131456931760 has 80 divisors (see below), whose sum is σ = 381054396672. Its totient is φ = 40973587200.

The previous prime is 131456931737. The next prime is 131456931761. The reversal of 131456931760 is 67139654131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 131456931760.

It is not an unprimeable number, because it can be changed into a prime (131456931761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10664046 + ... + 10676365.

Almost surely, 2^131456931760 is an apocalyptic number.

131456931760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131456931760 is an abundant number, since it is smaller than the sum of its proper divisors (249597464912).

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

131456931760 is a wasteful number, since it uses less digits than its factorization.

131456931760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21340442 (or 21340436 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 131456931760 in words is "one hundred thirty-one billion, four hundred fifty-six million, nine hundred thirty-one thousand, seven hundred sixty".