158912739 has 16 divisors (see below), whose sum is σ = 237150240. Its totient is φ = 105166080.

The previous prime is 158912729. The next prime is 158912759. The reversal of 158912739 is 937219851.

158912739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158912739 - 2²³ = 150524131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158912694 and 158912703.

It is not an unprimeable number, because it can be changed into a prime (158912729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17782 + ... + 25179.

It is an arithmetic number, because the mean of its divisors is an integer number (14821890).

Almost surely, 2^158912739 is an apocalyptic number.

158912739 is a deficient number, since it is larger than the sum of its proper divisors (78237501).

158912739 is a wasteful number, since it uses less digits than its factorization.

158912739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43107 (or 43101 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 158912739 is about 12606.0596143283. The cubic root of 158912739 is about 541.6510271566.

The spelling of 158912739 in words is "one hundred fifty-eight million, nine hundred twelve thousand, seven hundred thirty-nine".