258091139 has 2 divisors, whose sum is σ = 258091140. Its totient is φ = 258091138.

The previous prime is 258091133. The next prime is 258091199. The reversal of 258091139 is 931190852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258091139 - 2⁸ = 258090883 is a prime.

It is a super-2 number, since 2×258091139² = 133222072060634642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258091133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129045569 + 129045570.

It is an arithmetic number, because the mean of its divisors is an integer number (129045570).

Almost surely, 2^258091139 is an apocalyptic number.

258091139 is a deficient number, since it is larger than the sum of its proper divisors (1).

258091139 is an equidigital number, since it uses as much as digits as its factorization.

258091139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 258091139 is about 16065.2151868564. The cubic root of 258091139 is about 636.6846284173.

The spelling of 258091139 in words is "two hundred fifty-eight million, ninety-one thousand, one hundred thirty-nine".