158739516 has 36 divisors (see below), whose sum is σ = 432125512. Its totient is φ = 48842784.

The previous prime is 158739487. The next prime is 158739517. The reversal of 158739516 is 615937851.

It is a happy number.

158739516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158739517) 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, 169126 + ... + 170061.

Almost surely, 2^158739516 is an apocalyptic number.

It is an amenable number.

158739516 is an abundant number, since it is smaller than the sum of its proper divisors (273385996).

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

158739516 is a wasteful number, since it uses less digits than its factorization.

158739516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339210 (or 339205 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 158739516 is about 12599.1871166357. The cubic root of 158739516 is about 541.4541465100.

The spelling of 158739516 in words is "one hundred fifty-eight million, seven hundred thirty-nine thousand, five hundred sixteen".