138083675668 has 12 divisors (see below), whose sum is σ = 241700753952. Its totient is φ = 69026317400.

The previous prime is 138083675651. The next prime is 138083675671. The reversal of 138083675668 is 866576380831.

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, 3860080 + ... + 3895687.

It is an arithmetic number, because the mean of its divisors is an integer number (20141729496).

Almost surely, 2^138083675668 is an apocalyptic number.

It is an amenable number.

138083675668 is a deficient number, since it is larger than the sum of its proper divisors (103617078284).

138083675668 is a wasteful number, since it uses less digits than its factorization.

138083675668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760222 (or 7760220 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 138083675668 in words is "one hundred thirty-eight billion, eighty-three million, six hundred seventy-five thousand, six hundred sixty-eight".