258336139 has 2 divisors, whose sum is σ = 258336140. Its totient is φ = 258336138.

The previous prime is 258336079. The next prime is 258336149. The reversal of 258336139 is 931633852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258336139 - 2⁷ = 258336011 is a prime.

It is not a weakly prime, because it can be changed into another prime (258336149) 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 as a sum of consecutive naturals, namely, 129168069 + 129168070.

It is an arithmetic number, because the mean of its divisors is an integer number (129168070).

Almost surely, 2^258336139 is an apocalyptic number.

258336139 is a deficient number, since it is larger than the sum of its proper divisors (1).

258336139 is an equidigital number, since it uses as much as digits as its factorization.

258336139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 258336139 is about 16072.8385483088. The cubic root of 258336139 is about 636.8860280754.

The spelling of 258336139 in words is "two hundred fifty-eight million, three hundred thirty-six thousand, one hundred thirty-nine".