131670757420 has 24 divisors (see below), whose sum is σ = 288530704224. Its totient is φ = 50378376576.

The previous prime is 131670757411. The next prime is 131670757453. The reversal of 131670757420 is 24757076131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143119929 + ... + 143120848.

It is an arithmetic number, because the mean of its divisors is an integer number (12022112676).

Almost surely, 2^131670757420 is an apocalyptic number.

131670757420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131670757420 is an abundant number, since it is smaller than the sum of its proper divisors (156859946804).

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

131670757420 is a wasteful number, since it uses less digits than its factorization.

131670757420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286240809 (or 286240807 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 131670757420 in words is "one hundred thirty-one billion, six hundred seventy million, seven hundred fifty-seven thousand, four hundred twenty".