138802837736765 has 64 divisors (see below), whose sum is σ = 186447250483200. Its totient is φ = 98654101438464.

The previous prime is 138802837736701. The next prime is 138802837736777. The reversal of 138802837736765 is 567637738208831.

It is a cyclic number.

It is not a de Polignac number, because 138802837736765 - 2⁶ = 138802837736701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138802837736692 and 138802837736701.

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 63 ways as a sum of consecutive naturals, for example, 326129621 + ... + 326554949.

It is an arithmetic number, because the mean of its divisors is an integer number (2913238288800).

Almost surely, 2^{138802837736765} is an apocalyptic number.

It is an amenable number.

138802837736765 is a deficient number, since it is larger than the sum of its proper divisors (47644412746435).

138802837736765 is a wasteful number, since it uses less digits than its factorization.

138802837736765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427566.

The product of its (nonzero) digits is 1706987520, while the sum is 74.

The spelling of 138802837736765 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred thirty-seven million, seven hundred thirty-six thousand, seven hundred sixty-five".