138761601424 has 40 divisors (see below), whose sum is σ = 276223659840. Its totient is φ = 67479527808.

The previous prime is 138761601379. The next prime is 138761601443. The reversal of 138761601424 is 424106167831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532487 + ... + 1620505.

It is an arithmetic number, because the mean of its divisors is an integer number (6905591496).

Almost surely, 2^138761601424 is an apocalyptic number.

It is an amenable number.

138761601424 is a deficient number, since it is larger than the sum of its proper divisors (137462058416).

138761601424 is a wasteful number, since it uses less digits than its factorization.

138761601424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90727 (or 90721 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 138761601424 in words is "one hundred thirty-eight billion, seven hundred sixty-one million, six hundred one thousand, four hundred twenty-four".