2153135244 has 24 divisors (see below), whose sum is σ = 5410442800. Its totient is φ = 662503104.

The previous prime is 2153135207. The next prime is 2153135251. The reversal of 2153135244 is 4425313512.

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, 6900919 + ... + 6901230.

Almost surely, 2^2153135244 is an apocalyptic number.

It is an amenable number.

2153135244 is an abundant number, since it is smaller than the sum of its proper divisors (3257307556).

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

2153135244 is a wasteful number, since it uses less digits than its factorization.

2153135244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13802169 (or 13802167 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2153135244 is about 46401.8883667465. Note that the first 3 decimals coincide. The cubic root of 2153135244 is about 1291.2899469815.

Adding to 2153135244 its reverse (4425313512), we get a palindrome (6578448756).

The spelling of 2153135244 in words is "two billion, one hundred fifty-three million, one hundred thirty-five thousand, two hundred forty-four".