136877878852 has 48 divisors (see below), whose sum is σ = 293648648832. Its totient is φ = 54934260480.

The previous prime is 136877878843. The next prime is 136877878877. The reversal of 136877878852 is 258878778631.

It is a happy 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, 5188953 + ... + 5215264.

It is an arithmetic number, because the mean of its divisors is an integer number (6117680184).

Almost surely, 2^136877878852 is an apocalyptic number.

It is an amenable number.

136877878852 is an abundant number, since it is smaller than the sum of its proper divisors (156770769980).

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

136877878852 is a wasteful number, since it uses less digits than its factorization.

136877878852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404268 (or 10404266 counting only the distinct ones).

The product of its digits is 252887040, while the sum is 70.

The spelling of 136877878852 in words is "one hundred thirty-six billion, eight hundred seventy-seven million, eight hundred seventy-eight thousand, eight hundred fifty-two".