158737978123713 has 12 divisors (see below), whose sum is σ = 229288410791908. Its totient is φ = 105825217132800.

The previous prime is 158737978123693. The next prime is 158737978123717. The reversal of 158737978123713 is 317321879737851.

It is a happy number.

158737978123713 is a `hidden beast` number, since 1 + 5 + 8 + 7 + 379 + 7 + 8 + 1 + 237 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139391246249649 + 19346731874064 = 11806407^2 + 4398492^2 .

It is not a de Polignac number, because 158737978123713 - 2¹⁸ = 158737977861569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158737978123717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122581 + ... + 17943837.

Almost surely, 2^{158737978123713} is an apocalyptic number.

It is an amenable number.

158737978123713 is a deficient number, since it is larger than the sum of its proper divisors (70550432668195).

158737978123713 is a wasteful number, since it uses less digits than its factorization.

158737978123713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936064 (or 16936061 counting only the distinct ones).

The product of its digits is 373403520, while the sum is 72.

The spelling of 158737978123713 in words is "one hundred fifty-eight trillion, seven hundred thirty-seven billion, nine hundred seventy-eight million, one hundred twenty-three thousand, seven hundred thirteen".