136736072872 has 16 divisors (see below), whose sum is σ = 293005870560. Its totient is φ = 58601174064.

The previous prime is 136736072849. The next prime is 136736072887. The reversal of 136736072872 is 278270637631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220857738 + ... + 1220857849.

It is an arithmetic number, because the mean of its divisors is an integer number (18312866910).

Almost surely, 2^136736072872 is an apocalyptic number.

It is an amenable number.

136736072872 is an abundant number, since it is smaller than the sum of its proper divisors (156269797688).

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

136736072872 is a wasteful number, since it uses less digits than its factorization.

136736072872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441715600 (or 2441715596 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 136736072872 in words is "one hundred thirty-six billion, seven hundred thirty-six million, seventy-two thousand, eight hundred seventy-two".