138484316 has 12 divisors (see below), whose sum is σ = 250165440. Its totient is φ = 67008480.

The previous prime is 138484289. The next prime is 138484321. The reversal of 138484316 is 613484831.

It is a self number, because there is not a number n which added to its sum of digits gives 138484316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558281 + ... + 558528.

It is an arithmetic number, because the mean of its divisors is an integer number (20847120).

Almost surely, 2^138484316 is an apocalyptic number.

It is an amenable number.

138484316 is a deficient number, since it is larger than the sum of its proper divisors (111681124).

138484316 is a wasteful number, since it uses less digits than its factorization.

138484316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116844 (or 1116842 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 138484316 is about 11767.9359277658. The cubic root of 138484316 is about 517.3687544756.

The spelling of 138484316 in words is "one hundred thirty-eight million, four hundred eighty-four thousand, three hundred sixteen".