568319139 has 8 divisors (see below), whose sum is σ = 841954320. Its totient is φ = 378879408.

The previous prime is 568319137. The next prime is 568319183. The reversal of 568319139 is 931913865.

It is not a de Polignac number, because 568319139 - 2¹ = 568319137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 568319094 and 568319103.

It is not an unprimeable number, because it can be changed into a prime (568319137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10524402 + ... + 10524455.

It is an arithmetic number, because the mean of its divisors is an integer number (105244290).

Almost surely, 2^568319139 is an apocalyptic number.

568319139 is a deficient number, since it is larger than the sum of its proper divisors (273635181).

568319139 is a wasteful number, since it uses less digits than its factorization.

568319139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21048866 (or 21048860 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 568319139 is about 23839.4450229027. The cubic root of 568319139 is about 828.3186260597.

The spelling of 568319139 in words is "five hundred sixty-eight million, three hundred nineteen thousand, one hundred thirty-nine".