133168044 has 12 divisors (see below), whose sum is σ = 310725464. Its totient is φ = 44389344.

The previous prime is 133168043. The next prime is 133168103. The reversal of 133168044 is 440861331.

133168044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (133168043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548657 + ... + 5548680.

Almost surely, 2^133168044 is an apocalyptic number.

It is an amenable number.

133168044 is an abundant number, since it is smaller than the sum of its proper divisors (177557420).

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

133168044 is a wasteful number, since it uses less digits than its factorization.

133168044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097344 (or 11097342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 133168044 is about 11539.8459261812. The cubic root of 133168044 is about 510.6617630102.

The spelling of 133168044 in words is "one hundred thirty-three million, one hundred sixty-eight thousand, forty-four".