556135122 has 16 divisors (see below), whose sum is σ = 1112553792. Its totient is φ = 185331120.

The previous prime is 556135091. The next prime is 556135141. The reversal of 556135122 is 221531655.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 556135122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20472 + ... + 39132.

It is an arithmetic number, because the mean of its divisors is an integer number (69534612).

Almost surely, 2^556135122 is an apocalyptic number.

556135122 is an abundant number, since it is smaller than the sum of its proper divisors (556418670).

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

556135122 is a wasteful number, since it uses less digits than its factorization.

556135122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23633.

The product of its digits is 9000, while the sum is 30.

The square root of 556135122 is about 23582.5172956578. The cubic root of 556135122 is about 822.3564588464.

Adding to 556135122 its reverse (221531655), we get a palindrome (777666777).

The spelling of 556135122 in words is "five hundred fifty-six million, one hundred thirty-five thousand, one hundred twenty-two".