138120863131348 has 12 divisors (see below), whose sum is σ = 242857062663712. Its totient is φ = 68733130941720.

The previous prime is 138120863131309. The next prime is 138120863131393. The reversal of 138120863131348 is 843131368021831.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138120863131295 and 138120863131304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81825155040 + ... + 81825156727.

Almost surely, 2^{138120863131348} is an apocalyptic number.

It is an amenable number.

138120863131348 is a deficient number, since it is larger than the sum of its proper divisors (104736199532364).

138120863131348 is a wasteful number, since it uses less digits than its factorization.

138120863131348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163650311982 (or 163650311980 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 138120863131348 in words is "one hundred thirty-eight trillion, one hundred twenty billion, eight hundred sixty-three million, one hundred thirty-one thousand, three hundred forty-eight".