158064139 has 2 divisors, whose sum is σ = 158064140. Its totient is φ = 158064138.

The previous prime is 158064107. The next prime is 158064163. The reversal of 158064139 is 931460851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158064139 - 2⁵ = 158064107 is a prime.

It is a super-2 number, since 2×158064139² = 49968544075622642, which contains 22 as substring.

It is a Chen prime.

It is equal to p_8872057 and since 158064139 and 8872057 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 158064098 and 158064107.

It is not a weakly prime, because it can be changed into another prime (158061139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79032069 + 79032070.

It is an arithmetic number, because the mean of its divisors is an integer number (79032070).

Almost surely, 2^158064139 is an apocalyptic number.

158064139 is a deficient number, since it is larger than the sum of its proper divisors (1).

158064139 is an equidigital number, since it uses as much as digits as its factorization.

158064139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 158064139 is about 12572.3561435397. The cubic root of 158064139 is about 540.6851602403.

It can be divided in two parts, 158064 and 139, that added together give a triangular number (158203 = T₅₆₂).

The spelling of 158064139 in words is "one hundred fifty-eight million, sixty-four thousand, one hundred thirty-nine".