158112613 has 2 divisors, whose sum is σ = 158112614. Its totient is φ = 158112612.

The previous prime is 158112599. The next prime is 158112637. The reversal of 158112613 is 316211851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119399329 + 38713284 = 10927^2 + 6222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158112613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158112413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79056306 + 79056307.

It is an arithmetic number, because the mean of its divisors is an integer number (79056307).

Almost surely, 2^158112613 is an apocalyptic number.

It is an amenable number.

158112613 is a deficient number, since it is larger than the sum of its proper divisors (1).

158112613 is an equidigital number, since it uses as much as digits as its factorization.

158112613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 28.

The square root of 158112613 is about 12574.2837967019. The cubic root of 158112613 is about 540.7404257670.

The spelling of 158112613 in words is "one hundred fifty-eight million, one hundred twelve thousand, six hundred thirteen".