138673676 has 6 divisors (see below), whose sum is σ = 242678940. Its totient is φ = 69336836.

The previous prime is 138673637. The next prime is 138673687. The reversal of 138673676 is 676376831.

138673676 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138673676.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17334206 + ... + 17334213.

It is an arithmetic number, because the mean of its divisors is an integer number (40446490).

Almost surely, 2^138673676 is an apocalyptic number.

It is an amenable number.

138673676 is a deficient number, since it is larger than the sum of its proper divisors (104005264).

138673676 is a wasteful number, since it uses less digits than its factorization.

138673676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34668423 (or 34668421 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 138673676 is about 11775.9787703613. The cubic root of 138673676 is about 517.6044594532.

The spelling of 138673676 in words is "one hundred thirty-eight million, six hundred seventy-three thousand, six hundred seventy-six".