133626256 has 20 divisors (see below), whose sum is σ = 274130892. Its totient is φ = 62882816.

The previous prime is 133626253. The next prime is 133626289. The reversal of 133626256 is 652626331.

It can be written as a sum of positive squares in 2 ways, for example, as 49280400 + 84345856 = 7020^2 + 9184^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (133626253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245365 + ... + 245908.

Almost surely, 2^133626256 is an apocalyptic number.

133626256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133626256 is an abundant number, since it is smaller than the sum of its proper divisors (140504636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133626256 is a wasteful number, since it uses less digits than its factorization.

133626256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491298 (or 491292 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 133626256 is about 11559.6823485769. The cubic root of 133626256 is about 511.2467969662.

The spelling of 133626256 in words is "one hundred thirty-three million, six hundred twenty-six thousand, two hundred fifty-six".