135639074788 has 12 divisors (see below), whose sum is σ = 271278149632. Its totient is φ = 58131032040.

The previous prime is 135639074719. The next prime is 135639074867. The reversal of 135639074788 is 887470936531.

135639074788 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 2422126308 + ... + 2422126363.

Almost surely, 2^135639074788 is an apocalyptic number.

It is an amenable number.

135639074788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135639074788 is a wasteful number, since it uses less digits than its factorization.

135639074788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844252682 (or 4844252680 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 135639074788 in words is "one hundred thirty-five billion, six hundred thirty-nine million, seventy-four thousand, seven hundred eighty-eight".