133626668 has 12 divisors (see below), whose sum is σ = 267253392. Its totient is φ = 57268560.

The previous prime is 133626659. The next prime is 133626679. The reversal of 133626668 is 866626331.

133626668 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386163 + ... + 2386218.

It is an arithmetic number, because the mean of its divisors is an integer number (22271116).

Almost surely, 2^133626668 is an apocalyptic number.

It is an amenable number.

133626668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133626668 is a wasteful number, since it uses less digits than its factorization.

133626668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772392 (or 4772390 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 133626668 is about 11559.7001691220. The cubic root of 133626668 is about 511.2473223956.

The spelling of 133626668 in words is "one hundred thirty-three million, six hundred twenty-six thousand, six hundred sixty-eight".