138702 has 8 divisors (see below), whose sum is σ = 277416. Its totient is φ = 46232.

The previous prime is 138683. The next prime is 138727. The reversal of 138702 is 207831.

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

138702 is an admirable number.

It is a congruent number.

It is an unprimeable number.

138702 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, 11553 + ... + 11564.

It is an arithmetic number, because the mean of its divisors is an integer number (34677).

2¹³⁸⁷⁰² is an apocalyptic number.

138702 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.

138702 is a wasteful number, since it uses less digits than its factorization.

138702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23122.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 138702 is about 372.4271740891. The cubic root of 138702 is about 51.7639697169.

The spelling of 138702 in words is "one hundred thirty-eight thousand, seven hundred two".