138594 has 8 divisors (see below), whose sum is σ = 277200. Its totient is φ = 46196.

The previous prime is 138587. The next prime is 138599. The reversal of 138594 is 495831.

It is a sphenic number, since it is the product of 3 distinct primes.

138594 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (138599) by changing a digit.

138594 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, 11544 + ... + 11555.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2¹³⁸⁵⁹⁴ is an apocalyptic number.

138594 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138594 is a wasteful number, since it uses less digits than its factorization.

138594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23104.

The product of its digits is 4320, while the sum is 30.

The square root of 138594 is about 372.2821510629. The cubic root of 138594 is about 51.7505309288.

The spelling of 138594 in words is "one hundred thirty-eight thousand, five hundred ninety-four".