158837940320136 has 512 divisors, whose sum is σ = 519363424419840. Its totient is φ = 39278655360000.

The previous prime is 158837940320099. The next prime is 158837940320141. The reversal of 158837940320136 is 631023049738851.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 158837940320136.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1899456406 + ... + 1899540026.

It is an arithmetic number, because the mean of its divisors is an integer number (1014381688320).

It is a 1-persistent number, because it is pandigital, but 2⋅158837940320136 = 317675880640272 is not.

Almost surely, 2^{158837940320136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158837940320136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259681712209920).

158837940320136 is an abundant number, since it is smaller than the sum of its proper divisors (360525484099704).

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

158837940320136 is a wasteful number, since it uses less digits than its factorization.

158837940320136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84217 (or 84213 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 158837940320136 in words is "one hundred fifty-eight trillion, eight hundred thirty-seven billion, nine hundred forty million, three hundred twenty thousand, one hundred thirty-six".