137103429921 has 16 divisors (see below), whose sum is σ = 185368195584. Its totient is φ = 90121279104.

The previous prime is 137103429919. The next prime is 137103429973. The reversal of 137103429921 is 129924301731.

It is not a de Polignac number, because 137103429921 - 2¹ = 137103429919 is a prime.

It is a super-2 number, since 2×137103429921² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137103429821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594735 + ... + 792411.

It is an arithmetic number, because the mean of its divisors is an integer number (11585512224).

Almost surely, 2^137103429921 is an apocalyptic number.

It is an amenable number.

137103429921 is a deficient number, since it is larger than the sum of its proper divisors (48264765663).

137103429921 is a wasteful number, since it uses less digits than its factorization.

137103429921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200920.

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 137103429921 in words is "one hundred thirty-seven billion, one hundred three million, four hundred twenty-nine thousand, nine hundred twenty-one".