131757170640 has 80 divisors (see below), whose sum is σ = 408879240768. Its totient is φ = 35098083328.

The previous prime is 131757170569. The next prime is 131757170663. The reversal of 131757170640 is 46071757131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 131757170592 and 131757170601.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 62577 + ... + 517136.

Almost surely, 2^131757170640 is an apocalyptic number.

131757170640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131757170640 is an abundant number, since it is smaller than the sum of its proper divisors (277122070128).

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

131757170640 is a wasteful number, since it uses less digits than its factorization.

131757170640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580676 (or 580670 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 131757170640 in words is "one hundred thirty-one billion, seven hundred fifty-seven million, one hundred seventy thousand, six hundred forty".