135913408704 has 56 divisors (see below), whose sum is σ = 399560257520. Its totient is φ = 45304468992.

The previous prime is 135913408693. The next prime is 135913408769. The reversal of 135913408704 is 407804319531.

135913408704 is a `hidden beast` number, since 13 + 591 + 3 + 40 + 8 + 7 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 135913408704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39325069 + ... + 39328524.

Almost surely, 2^135913408704 is an apocalyptic number.

It is an amenable number.

135913408704 is an abundant number, since it is smaller than the sum of its proper divisors (263646848816).

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

135913408704 is an equidigital number, since it uses as much as digits as its factorization.

135913408704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78653614 (or 78653598 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 135913408704 in words is "one hundred thirty-five billion, nine hundred thirteen million, four hundred eight thousand, seven hundred four".