133183044 has 36 divisors (see below), whose sum is σ = 339999660. Its totient is φ = 43953600.

The previous prime is 133183031. The next prime is 133183073. The reversal of 133183044 is 440381331.

It can be written as a sum of positive squares in 2 ways, for example, as 126832644 + 6350400 = 11262^2 + 2520^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 133182999 and 133183017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14679 + ... + 21950.

It is an arithmetic number, because the mean of its divisors is an integer number (9444435).

Almost surely, 2^133183044 is an apocalyptic number.

It is an amenable number.

133183044 is an abundant number, since it is smaller than the sum of its proper divisors (206816616).

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

133183044 is a wasteful number, since it uses less digits than its factorization.

133183044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36740 (or 36735 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 133183044 is about 11540.4958299026. The cubic root of 133183044 is about 510.6809358754.

The spelling of 133183044 in words is "one hundred thirty-three million, one hundred eighty-three thousand, forty-four".