137536121528 has 16 divisors (see below), whose sum is σ = 277717168680. Its totient is φ = 63478209888.

The previous prime is 137536121473. The next prime is 137536121557. The reversal of 137536121528 is 825121635731.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 661231250 + ... + 661231457.

Almost surely, 2^137536121528 is an apocalyptic number.

It is an amenable number.

137536121528 is an abundant number, since it is smaller than the sum of its proper divisors (140181047152).

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

137536121528 is a wasteful number, since it uses less digits than its factorization.

137536121528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322462726 (or 1322462722 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The spelling of 137536121528 in words is "one hundred thirty-seven billion, five hundred thirty-six million, one hundred twenty-one thousand, five hundred twenty-eight".