138861324748313 has 16 divisors (see below), whose sum is σ = 154794260632320. Its totient is φ = 123793455442176.

The previous prime is 138861324748291. The next prime is 138861324748339. The reversal of 138861324748313 is 313847423168831.

It is a cyclic number.

It is not a de Polignac number, because 138861324748313 - 2²⁴ = 138861307971097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138861324748343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34507970 + ... + 38321307.

It is an arithmetic number, because the mean of its divisors is an integer number (9674641289520).

Almost surely, 2^{138861324748313} is an apocalyptic number.

It is an amenable number.

138861324748313 is a deficient number, since it is larger than the sum of its proper divisors (15932935884007).

138861324748313 is a wasteful number, since it uses less digits than its factorization.

138861324748313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72835216.

The product of its digits is 55738368, while the sum is 62.

The spelling of 138861324748313 in words is "one hundred thirty-eight trillion, eight hundred sixty-one billion, three hundred twenty-four million, seven hundred forty-eight thousand, three hundred thirteen".