It is a self number, because there is not a number n which added to its sum of digits gives 133104.
It is a congruent number.
2133104 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 133104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133104 is a wasteful number, since it uses less digits than its factorization.
133104 is an evil number, because the sum of its binary digits is even.
The square root of 133104 is about 364.8342089224. The cubic root of 133104 is about 51.0579886345.
Adding to 133104 its reverse (401331), we get a palindrome (534435).
The spelling of 133104 in words is "one hundred thirty-three thousand, one hundred four".