225136756 has 24 divisors (see below), whose sum is σ = 437986304. Its totient is φ = 100556640.

The previous prime is 225136733. The next prime is 225136819. The reversal of 225136756 is 657631522.

225136756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 68220 + ... + 71443.

Almost surely, 2^225136756 is an apocalyptic number.

225136756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

225136756 is a deficient number, since it is larger than the sum of its proper divisors (212849548).

225136756 is a wasteful number, since it uses less digits than its factorization.

225136756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139711 (or 139709 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 225136756 is about 15004.5578408696. The cubic root of 225136756 is about 608.3434009134.

The spelling of 225136756 in words is "two hundred twenty-five million, one hundred thirty-six thousand, seven hundred fifty-six".