568488139 has 2 divisors, whose sum is σ = 568488140. Its totient is φ = 568488138.

The previous prime is 568488119. The next prime is 568488161. The reversal of 568488139 is 931884865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 568488139 - 2¹⁷ = 568357067 is a prime.

It is not a weakly prime, because it can be changed into another prime (568488119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284244069 + 284244070.

It is an arithmetic number, because the mean of its divisors is an integer number (284244070).

Almost surely, 2^568488139 is an apocalyptic number.

568488139 is a deficient number, since it is larger than the sum of its proper divisors (1).

568488139 is an equidigital number, since it uses as much as digits as its factorization.

568488139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 52.

The square root of 568488139 is about 23842.9893050347. The cubic root of 568488139 is about 828.4007231097.

The spelling of 568488139 in words is "five hundred sixty-eight million, four hundred eighty-eight thousand, one hundred thirty-nine".