158236113 has 32 divisors (see below), whose sum is σ = 253034496. Its totient is φ = 85998528.

The previous prime is 158236109. The next prime is 158236147. The reversal of 158236113 is 311632851.

It is not a de Polignac number, because 158236113 - 2² = 158236109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158236103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94320 + ... + 95982.

It is an arithmetic number, because the mean of its divisors is an integer number (7907328).

Almost surely, 2^158236113 is an apocalyptic number.

It is an amenable number.

158236113 is a deficient number, since it is larger than the sum of its proper divisors (94798383).

158236113 is a wasteful number, since it uses less digits than its factorization.

158236113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893.

The product of its digits is 4320, while the sum is 30.

The square root of 158236113 is about 12579.1936546028. The cubic root of 158236113 is about 540.8811779002.

Adding to 158236113 its reverse (311632851), we get a palindrome (469868964).

The spelling of 158236113 in words is "one hundred fifty-eight million, two hundred thirty-six thousand, one hundred thirteen".