133408944 has 60 divisors (see below), whose sum is σ = 387199176. Its totient is φ = 44468352.

The previous prime is 133408931. The next prime is 133408967. The reversal of 133408944 is 449804331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 133408899 and 133408908.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13269 + ... + 21044.

Almost surely, 2^133408944 is an apocalyptic number.

It is an amenable number.

133408944 is an abundant number, since it is smaller than the sum of its proper divisors (253790232).

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

133408944 is an equidigital number, since it uses as much as digits as its factorization.

133408944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34336 (or 34318 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 133408944 is about 11550.2789576702. The cubic root of 133408944 is about 510.9695052925.

The spelling of 133408944 in words is "one hundred thirty-three million, four hundred eight thousand, nine hundred forty-four".