137215132624 has 20 divisors (see below), whose sum is σ = 265861348740. Its totient is φ = 68605752320.

The previous prime is 137215132609. The next prime is 137215132657. The reversal of 137215132624 is 426231512731.

It can be written as a sum of positive squares in 2 ways, for example, as 54834652224 + 82380480400 = 234168^2 + 287020^2 .

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, 678114 + ... + 856894.

It is an arithmetic number, because the mean of its divisors is an integer number (13293067437).

Almost surely, 2^137215132624 is an apocalyptic number.

It is an amenable number.

137215132624 is a deficient number, since it is larger than the sum of its proper divisors (128646216116).

137215132624 is a wasteful number, since it uses less digits than its factorization.

137215132624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226758 (or 226752 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The spelling of 137215132624 in words is "one hundred thirty-seven billion, two hundred fifteen million, one hundred thirty-two thousand, six hundred twenty-four".