136800257790 has 32 divisors (see below), whose sum is σ = 375223564800. Its totient is φ = 31268630304.

The previous prime is 136800257753. The next prime is 136800257821. The reversal of 136800257790 is 97752008631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325714690 + ... + 325715109.

It is an arithmetic number, because the mean of its divisors is an integer number (11725736400).

Almost surely, 2^136800257790 is an apocalyptic number.

136800257790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136800257790 is an abundant number, since it is smaller than the sum of its proper divisors (238423307010).

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

136800257790 is a wasteful number, since it uses less digits than its factorization.

136800257790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651429816.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 136800257790 in words is "one hundred thirty-six billion, eight hundred million, two hundred fifty-seven thousand, seven hundred ninety".