138864316 has 12 divisors (see below), whose sum is σ = 243392688. Its totient is φ = 69323552.

The previous prime is 138864307. The next prime is 138864343. The reversal of 138864316 is 613468831.

It is a happy number.

138864316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24241 + ... + 29416.

It is an arithmetic number, because the mean of its divisors is an integer number (20282724).

Almost surely, 2^138864316 is an apocalyptic number.

It is an amenable number.

138864316 is a deficient number, since it is larger than the sum of its proper divisors (104528372).

138864316 is a wasteful number, since it uses less digits than its factorization.

138864316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54308 (or 54306 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 138864316 is about 11784.0704342769. The cubic root of 138864316 is about 517.8415410526.

The spelling of 138864316 in words is "one hundred thirty-eight million, eight hundred sixty-four thousand, three hundred sixteen".