138603798933165 has 12 divisors (see below), whose sum is σ = 240246584817564. Its totient is φ = 73922026097664.

The previous prime is 138603798933157. The next prime is 138603798933179. The reversal of 138603798933165 is 561339897306831.

138603798933165 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 0 + 379 + 8 + 93 + 3 + 165 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25957119504969 + 112646679428196 = 5094813^2 + 10613514^2 .

It is not a de Polignac number, because 138603798933165 - 2³ = 138603798933157 is a prime.

It is a super-2 number, since 2×138603798933165² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138603798933093 and 138603798933102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540042210324 + ... + 1540042210413.

It is an arithmetic number, because the mean of its divisors is an integer number (20020548734797).

Almost surely, 2^{138603798933165} is an apocalyptic number.

138603798933165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138603798933165 is a deficient number, since it is larger than the sum of its proper divisors (101642785884399).

138603798933165 is a wasteful number, since it uses less digits than its factorization.

138603798933165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080084420748 (or 3080084420745 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 138603798933165 in words is "one hundred thirty-eight trillion, six hundred three billion, seven hundred ninety-eight million, nine hundred thirty-three thousand, one hundred sixty-five".