189138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
2189138 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189138 is a wasteful number, since it uses less digits than its factorization.
189138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1121.
The square root of 189138 is about 434.8999885031. The cubic root of 189138 is about 57.4018995191.
The spelling of 189138 in words is "one hundred eighty-nine thousand, one hundred thirty-eight".