133126256 has 20 divisors (see below), whose sum is σ = 258136752. Its totient is φ = 66510336.

The previous prime is 133126249. The next prime is 133126267. The reversal of 133126256 is 652621331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24701 + ... + 29603.

Almost surely, 2^133126256 is an apocalyptic number.

133126256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133126256 is a deficient number, since it is larger than the sum of its proper divisors (125010496).

133126256 is a wasteful number, since it uses less digits than its factorization.

133126256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6602 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 133126256 is about 11538.0351880205. The cubic root of 133126256 is about 510.6083423706.

Adding to 133126256 its reverse (652621331), we get a palindrome (785747587).

The spelling of 133126256 in words is "one hundred thirty-three million, one hundred twenty-six thousand, two hundred fifty-six".