135667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-135667 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10 and base 13.
2135667 is an apocalyptic number.
135667 is an equidigital number, since it uses as much as digits as its factorization.
135667 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19388.
The square root of 135667 is about 368.3300150680. The cubic root of 135667 is about 51.3836251189.
The spelling of 135667 in words is "one hundred thirty-five thousand, six hundred sixty-seven".