It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 966311 = 367 ⋅2633.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-113669 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10.
It is a congruent number.
2113669 is an apocalyptic number.
It is an amenable number.
113669 is an equidigital number, since it uses as much as digits as its factorization.
113669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 774.
The square root of 113669 is about 337.1483353066. The cubic root of 113669 is about 48.4411018480.
The spelling of 113669 in words is "one hundred thirteen thousand, six hundred sixty-nine".