It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
2138264 is an apocalyptic number.
138264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138264 is a wasteful number, since it uses less digits than its factorization.
138264 is an evil number, because the sum of its binary digits is even.
The square root of 138264 is about 371.8386746964. The cubic root of 138264 is about 51.7094246580.
The spelling of 138264 in words is "one hundred thirty-eight thousand, two hundred sixty-four".