158013405728 has 24 divisors (see below), whose sum is σ = 311100809292. Its totient is φ = 79003676416.

The previous prime is 158013405721. The next prime is 158013405749. The reversal of 158013405728 is 827504310851.

It can be written as a sum of positive squares in 2 ways, for example, as 158012610064 + 795664 = 397508^2 + 892^2 .

It is not an unprimeable number, because it can be changed into a prime (158013405721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921926 + ... + 1079802.

Almost surely, 2^158013405728 is an apocalyptic number.

It is an amenable number.

158013405728 is a deficient number, since it is larger than the sum of its proper divisors (153087403564).

158013405728 is a wasteful number, since it uses less digits than its factorization.

158013405728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189164 (or 189156 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 158013405728 in words is "one hundred fifty-eight billion, thirteen million, four hundred five thousand, seven hundred twenty-eight".