158813836 has 12 divisors (see below), whose sum is σ = 281731912. Its totient is φ = 78319008.

The previous prime is 158813833. The next prime is 158813839. The reversal of 158813836 is 638318851.

It is an interprime number because it is at equal distance from previous prime (158813833) and next prime (158813839).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 158813792 and 158813801.

It is not an unprimeable number, because it can be changed into a prime (158813833) 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, 271650 + ... + 272233.

Almost surely, 2^158813836 is an apocalyptic number.

It is an amenable number.

158813836 is a deficient number, since it is larger than the sum of its proper divisors (122918076).

158813836 is a wasteful number, since it uses less digits than its factorization.

158813836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543960 (or 543958 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 158813836 is about 12602.1361681264. The cubic root of 158813836 is about 541.5386341762.

The spelling of 158813836 in words is "one hundred fifty-eight million, eight hundred thirteen thousand, eight hundred thirty-six".