233136256 has 16 divisors (see below), whose sum is σ = 464451390. Its totient is φ = 116568064.

The previous prime is 233136247. The next prime is 233136259. The reversal of 233136256 is 652631332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149230656 + 83905600 = 12216^2 + 9160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (233136259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910561 + ... + 910816.

Almost surely, 2^233136256 is an apocalyptic number.

It is an amenable number.

233136256 is a deficient number, since it is larger than the sum of its proper divisors (231315134).

233136256 is an equidigital number, since it uses as much as digits as its factorization.

233136256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821391 (or 1821379 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 233136256 is about 15268.8000838311. The cubic root of 233136256 is about 615.4648751216.

Adding to 233136256 its reverse (652631332), we get a palindrome (885767588).

The spelling of 233136256 in words is "two hundred thirty-three million, one hundred thirty-six thousand, two hundred fifty-six".