133044 has 12 divisors (see below), whose sum is σ = 310464. Its totient is φ = 44344.

The previous prime is 133039. The next prime is 133051. The reversal of 133044 is 440331.

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

It is an Ulam number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

133044 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5532 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (25872).

2¹³³⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

133044 is an abundant number, since it is smaller than the sum of its proper divisors (177420).

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

133044 is a wasteful number, since it uses less digits than its factorization.

133044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094 (or 11092 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 133044 is about 364.7519705224. The cubic root of 133044 is about 51.0503155875.

Adding to 133044 its reverse (440331), we get a palindrome (573375).

The spelling of 133044 in words is "one hundred thirty-three thousand, forty-four".