The number 189 is an integer that follows 188 and precedes 190. It is an odd number and can be expressed as the sum of the first 13 odd numbers, which makes it a triangular number. In Roman numerals, 189 is represented as CLXXXIX. This number can also be factored into 3 and 63, showing that it has multiple divisors. Additionally, 189 is significant in various contexts, such as mathematics and history, where it may appear in dates or numerical sequences.