136385712680 has 64 divisors (see below), whose sum is σ = 358862106240. Its totient is φ = 45673350912.

The previous prime is 136385712653. The next prime is 136385712709. The reversal of 136385712680 is 86217583631.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5651819 + ... + 5675898.

It is an arithmetic number, because the mean of its divisors is an integer number (5607220410).

Almost surely, 2^136385712680 is an apocalyptic number.

136385712680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136385712680 is an abundant number, since it is smaller than the sum of its proper divisors (222476393560).

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

136385712680 is a wasteful number, since it uses less digits than its factorization.

136385712680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327778 (or 11327774 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 136385712680 in words is "one hundred thirty-six billion, three hundred eighty-five million, seven hundred twelve thousand, six hundred eighty".