138438722112783 has 8 divisors (see below), whose sum is σ = 184785816969600. Its totient is φ = 92192054332248.

The previous prime is 138438722112763. The next prime is 138438722112841. The reversal of 138438722112783 is 387211227834831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138438722112783 - 2¹⁴ = 138438722096399 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138438722112763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25106765853 + ... + 25106771366.

It is an arithmetic number, because the mean of its divisors is an integer number (23098227121200).

Almost surely, 2^{138438722112783} is an apocalyptic number.

138438722112783 is a deficient number, since it is larger than the sum of its proper divisors (46347094856817).

138438722112783 is an equidigital number, since it uses as much as digits as its factorization.

138438722112783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50213538141.

The product of its digits is 21676032, while the sum is 60.

The spelling of 138438722112783 in words is "one hundred thirty-eight trillion, four hundred thirty-eight billion, seven hundred twenty-two million, one hundred twelve thousand, seven hundred eighty-three".