It is an unprimeable number.
219090 is an apocalyptic number.
19090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19090 is a wasteful number, since it uses less digits than its factorization.
19090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113.
The square root of 19090 is about 138.1665661439. The cubic root of 19090 is about 26.7260827941.
Subtracting from 19090 its reverse (9091), we obtain a palindrome (9999).
The spelling of 19090 in words is "nineteen thousand, ninety".