138510848685 has 32 divisors (see below), whose sum is σ = 243304336512. Its totient is φ = 66729012480.

The previous prime is 138510848627. The next prime is 138510848701. The reversal of 138510848685 is 586848015831.

It is not a de Polignac number, because 138510848685 - 2¹³ = 138510840493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2647534 + ... + 2699343.

It is an arithmetic number, because the mean of its divisors is an integer number (7603260516).

Almost surely, 2^138510848685 is an apocalyptic number.

138510848685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138510848685 is a deficient number, since it is larger than the sum of its proper divisors (104793487827).

138510848685 is a wasteful number, since it uses less digits than its factorization.

138510848685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347053.

The product of its (nonzero) digits is 7372800, while the sum is 57.

The spelling of 138510848685 in words is "one hundred thirty-eight billion, five hundred ten million, eight hundred forty-eight thousand, six hundred eighty-five".