135639074790 has 48 divisors (see below), whose sum is σ = 358442946576. Its totient is φ = 35577460800.

The previous prime is 135639074719. The next prime is 135639074867. The reversal of 135639074790 is 97470936531.

It is a happy number.

135639074790 is a `hidden beast` number, since 1 + 3 + 563 + 9 + 0 + 7 + 4 + 79 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12347796 + ... + 12358775.

It is an arithmetic number, because the mean of its divisors is an integer number (7467561387).

Almost surely, 2^135639074790 is an apocalyptic number.

135639074790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135639074790 is an abundant number, since it is smaller than the sum of its proper divisors (222803871786).

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

135639074790 is a wasteful number, since it uses less digits than its factorization.

135639074790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706645 (or 24706642 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 135639074790 in words is "one hundred thirty-five billion, six hundred thirty-nine million, seventy-four thousand, seven hundred ninety".