158884428139 has 4 divisors (see below), whose sum is σ = 159896431024. Its totient is φ = 157872425256.

The previous prime is 158884428097. The next prime is 158884428149. The reversal of 158884428139 is 931824488851.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158884428139 - 2¹¹ = 158884426091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158884428149) 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, 506001207 + ... + 506001520.

It is an arithmetic number, because the mean of its divisors is an integer number (39974107756).

Almost surely, 2^158884428139 is an apocalyptic number.

158884428139 is a deficient number, since it is larger than the sum of its proper divisors (1012002885).

158884428139 is a wasteful number, since it uses less digits than its factorization.

158884428139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012002884.

The product of its digits is 17694720, while the sum is 61.

The spelling of 158884428139 in words is "one hundred fifty-eight billion, eight hundred eighty-four million, four hundred twenty-eight thousand, one hundred thirty-nine".