568138128 has 20 divisors (see below), whose sum is σ = 1467690288. Its totient is φ = 189379360.

The previous prime is 568138073. The next prime is 568138139. The reversal of 568138128 is 821831865.

It is a self number, because there is not a number n which added to its sum of digits gives 568138128.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5918058 + ... + 5918153.

Almost surely, 2^568138128 is an apocalyptic number.

It is an amenable number.

568138128 is an abundant number, since it is smaller than the sum of its proper divisors (899552160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

568138128 is a wasteful number, since it uses less digits than its factorization.

568138128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836222 (or 11836216 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 568138128 is about 23835.6482605362. The cubic root of 568138128 is about 828.2306762363.

The spelling of 568138128 in words is "five hundred sixty-eight million, one hundred thirty-eight thousand, one hundred twenty-eight".