137634618128 has 40 divisors (see below), whose sum is σ = 312999198912. Its totient is φ = 57392039808.

The previous prime is 137634618089. The next prime is 137634618161. The reversal of 137634618128 is 821816436731.

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, 16602350 + ... + 16610637.

Almost surely, 2^137634618128 is an apocalyptic number.

It is an amenable number.

137634618128 is an abundant number, since it is smaller than the sum of its proper divisors (175364580784).

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

137634618128 is a wasteful number, since it uses less digits than its factorization.

137634618128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33213039 (or 33213033 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 137634618128 in words is "one hundred thirty-seven billion, six hundred thirty-four million, six hundred eighteen thousand, one hundred twenty-eight".