138716 has 6 divisors (see below), whose sum is σ = 242760. Its totient is φ = 69356.

The previous prime is 138683. The next prime is 138727. The reversal of 138716 is 617831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17336 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (40460).

2¹³⁸⁷¹⁶ is an apocalyptic number.

It is an amenable number.

138716 is a deficient number, since it is larger than the sum of its proper divisors (104044).

138716 is a wasteful number, since it uses less digits than its factorization.

138716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683 (or 34681 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 138716 is about 372.4459692358. The cubic root of 138716 is about 51.7657112712.

The spelling of 138716 in words is "one hundred thirty-eight thousand, seven hundred sixteen".