252135368 has 16 divisors (see below), whose sum is σ = 472968780. Its totient is φ = 126010368.

The previous prime is 252135349. The next prime is 252135371. The reversal of 252135368 is 863531252.

252135368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 235991044 + 16144324 = 15362^2 + 4018^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15896 + ... + 27512.

Almost surely, 2^252135368 is an apocalyptic number.

It is an amenable number.

252135368 is a deficient number, since it is larger than the sum of its proper divisors (220833412).

252135368 is a wasteful number, since it uses less digits than its factorization.

252135368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336 (or 14332 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 252135368 is about 15878.7709851865. The cubic root of 252135368 is about 631.7490391189.

The spelling of 252135368 in words is "two hundred fifty-two million, one hundred thirty-five thousand, three hundred sixty-eight".