138730843278848 has 80 divisors (see below), whose sum is σ = 278205946786944. Its totient is φ = 69111420026880.

The previous prime is 138730843278817. The next prime is 138730843278887. The reversal of 138730843278848 is 848872348037831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560535136 + ... + 1560624032.

Almost surely, 2^{138730843278848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138730843278848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139102973393472).

138730843278848 is an abundant number, since it is smaller than the sum of its proper divisors (139475103508096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138730843278848 is an equidigital number, since it uses as much as digits as its factorization.

138730843278848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100043 (or 100027 counting only the distinct ones).

The product of its (nonzero) digits is 1387266048, while the sum is 74.

The spelling of 138730843278848 in words is "one hundred thirty-eight trillion, seven hundred thirty billion, eight hundred forty-three million, two hundred seventy-eight thousand, eight hundred forty-eight".