568149137 has 2 divisors, whose sum is σ = 568149138. Its totient is φ = 568149136.

The previous prime is 568149103. The next prime is 568149143. The reversal of 568149137 is 731941865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345811216 + 222337921 = 18596^2 + 14911^2 .

It is a cyclic number.

It is not a de Polignac number, because 568149137 - 2⁶ = 568149073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (568149167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284074568 + 284074569.

It is an arithmetic number, because the mean of its divisors is an integer number (284074569).

Almost surely, 2^568149137 is an apocalyptic number.

It is an amenable number.

568149137 is a deficient number, since it is larger than the sum of its proper divisors (1).

568149137 is an equidigital number, since it uses as much as digits as its factorization.

568149137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 568149137 is about 23835.8791950287. The cubic root of 568149137 is about 828.2360258348.

The spelling of 568149137 in words is "five hundred sixty-eight million, one hundred forty-nine thousand, one hundred thirty-seven".