253668132 has 24 divisors (see below), whose sum is σ = 657658400. Its totient is φ = 84556008.

The previous prime is 253668119. The next prime is 253668251. The reversal of 253668132 is 231866352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1174282 + ... + 1174497.

Almost surely, 2^253668132 is an apocalyptic number.

It is an amenable number.

253668132 is an abundant number, since it is smaller than the sum of its proper divisors (403990268).

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

253668132 is a wasteful number, since it uses less digits than its factorization.

253668132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348792 (or 2348784 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 253668132 is about 15926.9624222574. The cubic root of 253668132 is about 633.0266155337.

The spelling of 253668132 in words is "two hundred fifty-three million, six hundred sixty-eight thousand, one hundred thirty-two".