158919402 has 16 divisors (see below), whose sum is σ = 321863040. Its totient is φ = 52302432.

The previous prime is 158919373. The next prime is 158919413. The reversal of 158919402 is 204919851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167163 + ... + 168110.

It is an arithmetic number, because the mean of its divisors is an integer number (20116440).

Almost surely, 2^158919402 is an apocalyptic number.

158919402 is an abundant number, since it is smaller than the sum of its proper divisors (162943638).

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

158919402 is a wasteful number, since it uses less digits than its factorization.

158919402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335357.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 158919402 is about 12606.3238892232. The cubic root of 158919402 is about 541.6585972868.

The spelling of 158919402 in words is "one hundred fifty-eight million, nine hundred nineteen thousand, four hundred two".