138372693068 has 12 divisors (see below), whose sum is σ = 242285937432. Its totient is φ = 69148139520.

The previous prime is 138372693049. The next prime is 138372693071. The reversal of 138372693068 is 860396273831.

It is a happy number.

138372693068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9543605 + ... + 9558092.

It is an arithmetic number, because the mean of its divisors is an integer number (20190494786).

Almost surely, 2^138372693068 is an apocalyptic number.

It is an amenable number.

138372693068 is a deficient number, since it is larger than the sum of its proper divisors (103913244364).

138372693068 is a wasteful number, since it uses less digits than its factorization.

138372693068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19103512 (or 19103510 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 138372693068 in words is "one hundred thirty-eight billion, three hundred seventy-two million, six hundred ninety-three thousand, sixty-eight".