138116382 has 16 divisors (see below), whose sum is σ = 276400512. Its totient is φ = 46010840.

The previous prime is 138116369. The next prime is 138116431. The reversal of 138116382 is 283611831.

It is a super-2 number, since 2×138116382² = 38152269953539848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5407 + ... + 17477.

It is an arithmetic number, because the mean of its divisors is an integer number (17275032).

Almost surely, 2^138116382 is an apocalyptic number.

138116382 is an abundant number, since it is smaller than the sum of its proper divisors (138284130).

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

138116382 is a wasteful number, since it uses less digits than its factorization.

138116382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983.

The product of its digits is 6912, while the sum is 33.

The square root of 138116382 is about 11752.2926273983. The cubic root of 138116382 is about 516.9101552763.

The spelling of 138116382 in words is "one hundred thirty-eight million, one hundred sixteen thousand, three hundred eighty-two".