2256510136 has 16 divisors (see below), whose sum is σ = 4240101600. Its totient is φ = 1125816384.

The previous prime is 2256510133. The next prime is 2256510161. The reversal of 2256510136 is 6310156522.

It is a junction number, because it is equal to n+sod(n) for n = 2256510098 and 2256510107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256510133) 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, 300901 + ... + 308308.

It is an arithmetic number, because the mean of its divisors is an integer number (265006350).

Almost surely, 2^2256510136 is an apocalyptic number.

It is an amenable number.

2256510136 is a deficient number, since it is larger than the sum of its proper divisors (1983591464).

2256510136 is a wasteful number, since it uses less digits than its factorization.

2256510136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609678 (or 609674 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2256510136 is about 47502.7381947609. The cubic root of 2256510136 is about 1311.6332863042.

Adding to 2256510136 its reverse (6310156522), we get a palindrome (8566666658).

The spelling of 2256510136 in words is "two billion, two hundred fifty-six million, five hundred ten thousand, one hundred thirty-six".