138386876 has 12 divisors (see below), whose sum is σ = 242873400. Its totient is φ = 68994480.

The previous prime is 138386873. The next prime is 138386891. The reversal of 138386876 is 678683831.

138386876 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138386873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48170 + ... + 50961.

It is an arithmetic number, because the mean of its divisors is an integer number (20239450).

Almost surely, 2^138386876 is an apocalyptic number.

It is an amenable number.

138386876 is a deficient number, since it is larger than the sum of its proper divisors (104486524).

138386876 is a wasteful number, since it uses less digits than its factorization.

138386876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99484 (or 99482 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 138386876 is about 11763.7951359245. The cubic root of 138386876 is about 517.2473827535.

The spelling of 138386876 in words is "one hundred thirty-eight million, three hundred eighty-six thousand, eight hundred seventy-six".