139441545782291 has 2 divisors, whose sum is σ = 139441545782292. Its totient is φ = 139441545782290.

The previous prime is 139441545782269. The next prime is 139441545782293. The reversal of 139441545782291 is 192287545144931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139441545782291 is a prime.

Together with 139441545782293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (139441545782293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69720772891145 + 69720772891146.

It is an arithmetic number, because the mean of its divisors is an integer number (69720772891146).

Almost surely, 2^{139441545782291} is an apocalyptic number.

139441545782291 is a deficient number, since it is larger than the sum of its proper divisors (1).

139441545782291 is an equidigital number, since it uses as much as digits as its factorization.

139441545782291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87091200, while the sum is 65.

The spelling of 139441545782291 in words is "one hundred thirty-nine trillion, four hundred forty-one billion, five hundred forty-five million, seven hundred eighty-two thousand, two hundred ninety-one".