136997712504 has 160 divisors (see below), whose sum is σ = 386267864400. Its totient is φ = 45363732480.

The previous prime is 136997712491. The next prime is 136997712529. The reversal of 136997712504 is 405217799631.

136997712504 is a `hidden beast` number, since 1 + 3 + 69 + 9 + 7 + 71 + 2 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 97229752 + ... + 97231160.

Almost surely, 2^136997712504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136997712504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193133932200).

136997712504 is an abundant number, since it is smaller than the sum of its proper divisors (249270151896).

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

136997712504 is a wasteful number, since it uses less digits than its factorization.

136997712504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 136997712504 in words is "one hundred thirty-six billion, nine hundred ninety-seven million, seven hundred twelve thousand, five hundred four".