556139159 has 2 divisors, whose sum is σ = 556139160. Its totient is φ = 556139158.

The previous prime is 556139153. The next prime is 556139189. The reversal of 556139159 is 951931655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556139159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556139153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278069579 + 278069580.

It is an arithmetic number, because the mean of its divisors is an integer number (278069580).

Almost surely, 2^556139159 is an apocalyptic number.

556139159 is a deficient number, since it is larger than the sum of its proper divisors (1).

556139159 is an equidigital number, since it uses as much as digits as its factorization.

556139159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182250, while the sum is 44.

The square root of 556139159 is about 23582.6028885702. The cubic root of 556139159 is about 822.3584486776.

The spelling of 556139159 in words is "five hundred fifty-six million, one hundred thirty-nine thousand, one hundred fifty-nine".