138232 has 16 divisors (see below), whose sum is σ = 266760. Its totient is φ = 67104.

The previous prime is 138209. The next prime is 138239. The reversal of 138232 is 232831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138239) by changing a digit.

138232 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 529.

2¹³⁸²³² is an apocalyptic number.

It is an amenable number.

138232 is a deficient number, since it is larger than the sum of its proper divisors (128528).

138232 is a wasteful number, since it uses less digits than its factorization.

138232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 506 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 138232 is about 371.7956427932. The cubic root of 138232 is about 51.7054351181.

The spelling of 138232 in words is "one hundred thirty-eight thousand, two hundred thirty-two".