568138 has 8 divisors (see below), whose sum is σ = 897120. Its totient is φ = 269100.

The previous prime is 568133. The next prime is 568151. The reversal of 568138 is 831865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (568133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7438 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (112140).

2⁵⁶⁸¹³⁸ is an apocalyptic number.

568138 is a deficient number, since it is larger than the sum of its proper divisors (328982).

568138 is a wasteful number, since it uses less digits than its factorization.

568138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972.

The product of its digits is 5760, while the sum is 31.

The square root of 568138 is about 753.7492951904. The cubic root of 568138 is about 82.8230614037.

The spelling of 568138 in words is "five hundred sixty-eight thousand, one hundred thirty-eight".