138832047605331 has 24 divisors (see below), whose sum is σ = 204338574573120. Its totient is φ = 90799622424576.

The previous prime is 138832047605327. The next prime is 138832047605351. The reversal of 138832047605331 is 133506740238831.

138832047605331 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 3 + 2 + 0 + 47 + 60 + 533 + 1 = 666.

It is not a de Polignac number, because 138832047605331 - 2² = 138832047605327 is a prime.

It is a super-2 number, since 2×138832047605331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138832047605351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9088731 + ... + 18980756.

It is an arithmetic number, because the mean of its divisors is an integer number (8514107273880).

Almost surely, 2^{138832047605331} is an apocalyptic number.

138832047605331 is a deficient number, since it is larger than the sum of its proper divisors (65506526967789).

138832047605331 is a wasteful number, since it uses less digits than its factorization.

138832047605331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28079915 (or 28079912 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 138832047605331 in words is "one hundred thirty-eight trillion, eight hundred thirty-two billion, forty-seven million, six hundred five thousand, three hundred thirty-one".