253020136 has 16 divisors (see below), whose sum is σ = 474892740. Its totient is φ = 126382080.

The previous prime is 253020113. The next prime is 253020137. The reversal of 253020136 is 631020352.

It can be written as a sum of positive squares in 2 ways, for example, as 209380900 + 43639236 = 14470^2 + 6606^2 .

It is not an unprimeable number, because it can be changed into a prime (253020137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7321 + ... + 23656.

Almost surely, 2^253020136 is an apocalyptic number.

It is an amenable number.

253020136 is a deficient number, since it is larger than the sum of its proper divisors (221872604).

253020136 is a wasteful number, since it uses less digits than its factorization.

253020136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32004 (or 32000 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 253020136 is about 15906.6066777299. The cubic root of 253020136 is about 632.4871331101.

Adding to 253020136 its reverse (631020352), we get a palindrome (884040488).

The spelling of 253020136 in words is "two hundred fifty-three million, twenty thousand, one hundred thirty-six".