136997581160320 has 32 divisors (see below), whose sum is σ = 327509842462920. Its totient is φ = 54799032463872.

The previous prime is 136997581160311. The next prime is 136997581160381. The reversal of 136997581160320 is 23061185799631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107029359642 + ... + 107029360921.

Almost surely, 2^{136997581160320} is an apocalyptic number.

136997581160320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136997581160320 is an abundant number, since it is smaller than the sum of its proper divisors (190512261302600).

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

136997581160320 is an equidigital number, since it uses as much as digits as its factorization.

136997581160320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214058720582 (or 214058720570 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 136997581160320 in words is "one hundred thirty-six trillion, nine hundred ninety-seven billion, five hundred eighty-one million, one hundred sixty thousand, three hundred twenty".