136138593768 has 16 divisors (see below), whose sum is σ = 340346484480. Its totient is φ = 45379531248.

The previous prime is 136138593751. The next prime is 136138593779. The reversal of 136138593768 is 867395831631.

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, 2836220680 + ... + 2836220727.

It is an arithmetic number, because the mean of its divisors is an integer number (21271655280).

Almost surely, 2^136138593768 is an apocalyptic number.

It is an amenable number.

136138593768 is an abundant number, since it is smaller than the sum of its proper divisors (204207890712).

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

136138593768 is a wasteful number, since it uses less digits than its factorization.

136138593768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672441416 (or 5672441412 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 136138593768 in words is "one hundred thirty-six billion, one hundred thirty-eight million, five hundred ninety-three thousand, seven hundred sixty-eight".