138148486684 has 12 divisors (see below), whose sum is σ = 260356763464. Its totient is φ = 63760839984.

The previous prime is 138148486669. The next prime is 138148486703. The reversal of 138148486684 is 486684841831.

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, 1328350782 + ... + 1328350885.

Almost surely, 2^138148486684 is an apocalyptic number.

It is an amenable number.

138148486684 is a deficient number, since it is larger than the sum of its proper divisors (122208276780).

138148486684 is a wasteful number, since it uses less digits than its factorization.

138148486684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656701684 (or 2656701682 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 61.

The spelling of 138148486684 in words is "one hundred thirty-eight billion, one hundred forty-eight million, four hundred eighty-six thousand, six hundred eighty-four".