653253136 has 40 divisors (see below), whose sum is σ = 1340876480. Its totient is φ = 307442304.

The previous prime is 653253131. The next prime is 653253151. The reversal of 653253136 is 631352356.

It is not an unprimeable number, because it can be changed into a prime (653253131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40885 + ... + 54571.

It is an arithmetic number, because the mean of its divisors is an integer number (33521912).

Almost surely, 2^653253136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653253136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670438240).

653253136 is an abundant number, since it is smaller than the sum of its proper divisors (687623344).

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

653253136 is a wasteful number, since it uses less digits than its factorization.

653253136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871 (or 13865 counting only the distinct ones).

The product of its digits is 48600, while the sum is 34.

The square root of 653253136 is about 25558.8171870296. The cubic root of 653253136 is about 867.6818260887.

The spelling of 653253136 in words is "six hundred fifty-three million, two hundred fifty-three thousand, one hundred thirty-six".