138803005633756 has 6 divisors (see below), whose sum is σ = 242905259859080. Its totient is φ = 69401502816876.

The previous prime is 138803005633741. The next prime is 138803005633781. The reversal of 138803005633756 is 657336500308831.

It is a self number, because there is not a number n which added to its sum of digits gives 138803005633756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17350375704216 + ... + 17350375704223.

Almost surely, 2^{138803005633756} is an apocalyptic number.

It is an amenable number.

138803005633756 is a deficient number, since it is larger than the sum of its proper divisors (104102254225324).

138803005633756 is a wasteful number, since it uses less digits than its factorization.

138803005633756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34700751408443 (or 34700751408441 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 138803005633756 in words is "one hundred thirty-eight trillion, eight hundred three billion, five million, six hundred thirty-three thousand, seven hundred fifty-six".