136397904928 has 96 divisors (see below), whose sum is σ = 284520826800. Its totient is φ = 64265650176.

The previous prime is 136397904913. The next prime is 136397904947. The reversal of 136397904928 is 829409793631.

It can be written as a sum of positive squares in 8 ways, for example, as 74151646864 + 62246258064 = 272308^2 + 249492^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9485328 + ... + 9499696.

Almost surely, 2^136397904928 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 136397904928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142260413400).

136397904928 is an abundant number, since it is smaller than the sum of its proper divisors (148122921872).

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

136397904928 is a wasteful number, since it uses less digits than its factorization.

136397904928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654 (or 14646 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 136397904928 in words is "one hundred thirty-six billion, three hundred ninety-seven million, nine hundred four thousand, nine hundred twenty-eight".