137512917530 has 16 divisors (see below), whose sum is σ = 248087093760. Its totient is φ = 54879868752.

The previous prime is 137512917481. The next prime is 137512917539. The reversal of 137512917530 is 35719215731.

It is a super-2 number, since 2×137512917530² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137512917539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15657674 + ... + 15666453.

It is an arithmetic number, because the mean of its divisors is an integer number (15505443360).

Almost surely, 2^137512917530 is an apocalyptic number.

137512917530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137512917530 is a deficient number, since it is larger than the sum of its proper divisors (110574176230).

137512917530 is a wasteful number, since it uses less digits than its factorization.

137512917530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324573.

The product of its (nonzero) digits is 198450, while the sum is 44.

The spelling of 137512917530 in words is "one hundred thirty-seven billion, five hundred twelve million, nine hundred seventeen thousand, five hundred thirty".