7138887744139 has 2 divisors, whose sum is σ = 7138887744140. Its totient is φ = 7138887744138.

The previous prime is 7138887743921. The next prime is 7138887744217. The reversal of 7138887744139 is 9314477888317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7138887744139 - 2¹⁹ = 7138887219851 is a prime.

It is not a weakly prime, because it can be changed into another prime (7138887714139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569443872069 + 3569443872070.

It is an arithmetic number, because the mean of its divisors is an integer number (3569443872070).

Almost surely, 2^{7138887744139} is an apocalyptic number.

7138887744139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138887744139 is an equidigital number, since it uses as much as digits as its factorization.

7138887744139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 227598336, while the sum is 70.

The spelling of 7138887744139 in words is "seven trillion, one hundred thirty-eight billion, eight hundred eighty-seven million, seven hundred forty-four thousand, one hundred thirty-nine".