1444000068139 has 2 divisors, whose sum is σ = 1444000068140. Its totient is φ = 1444000068138.

The previous prime is 1444000068131. The next prime is 1444000068167. The reversal of 1444000068139 is 9318600004441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1444000068139 - 2³ = 1444000068131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444000068131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722000034069 + 722000034070.

It is an arithmetic number, because the mean of its divisors is an integer number (722000034070).

Almost surely, 2^{1444000068139} is an apocalyptic number.

1444000068139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444000068139 is an equidigital number, since it uses as much as digits as its factorization.

1444000068139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1444000068139 in words is "one trillion, four hundred forty-four billion, sixty-eight thousand, one hundred thirty-nine".