138765503319 has 32 divisors (see below), whose sum is σ = 194088960000. Its totient is φ = 88020065760.

The previous prime is 138765503291. The next prime is 138765503321. The reversal of 138765503319 is 913305567831.

It is not a de Polignac number, because 138765503319 - 2²⁹ = 138228632407 is a prime.

It is a super-2 number, since 2×138765503319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138765503369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10701562 + ... + 10714520.

It is an arithmetic number, because the mean of its divisors is an integer number (6065280000).

Almost surely, 2^138765503319 is an apocalyptic number.

138765503319 is a deficient number, since it is larger than the sum of its proper divisors (55323456681).

138765503319 is a wasteful number, since it uses less digits than its factorization.

138765503319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13795.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 138765503319 in words is "one hundred thirty-eight billion, seven hundred sixty-five million, five hundred three thousand, three hundred nineteen".