252568134 has 144 divisors (see below), whose sum is σ = 702280800. Its totient is φ = 64157184.

The previous prime is 252568123. The next prime is 252568153. The reversal of 252568134 is 431865252.

252568134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 617322 + ... + 617730.

It is an arithmetic number, because the mean of its divisors is an integer number (4876950).

Almost surely, 2^252568134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252568134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351140400).

252568134 is an abundant number, since it is smaller than the sum of its proper divisors (449712666).

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

252568134 is a wasteful number, since it uses less digits than its factorization.

252568134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 463 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 252568134 is about 15892.3923309236. The cubic root of 252568134 is about 632.1102779177.

The spelling of 252568134 in words is "two hundred fifty-two million, five hundred sixty-eight thousand, one hundred thirty-four".