135587377872 has 40 divisors (see below), whose sum is σ = 389185993280. Its totient is φ = 45195792480.

The previous prime is 135587377859. The next prime is 135587377903. The reversal of 135587377872 is 278773785531.

It is a happy number.

135587377872 is a `hidden beast` number, since 1 + 3 + 558 + 7 + 3 + 7 + 7 + 8 + 72 = 666.

135587377872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 156929404 + ... + 156930267.

It is an arithmetic number, because the mean of its divisors is an integer number (9729649832).

Almost surely, 2^135587377872 is an apocalyptic number.

135587377872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135587377872 is an abundant number, since it is smaller than the sum of its proper divisors (253598615408).

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

135587377872 is a wasteful number, since it uses less digits than its factorization.

135587377872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313859688 (or 313859676 counting only the distinct ones).

The product of its digits is 69148800, while the sum is 63.

The spelling of 135587377872 in words is "one hundred thirty-five billion, five hundred eighty-seven million, three hundred seventy-seven thousand, eight hundred seventy-two".