140439748591 has 2 divisors, whose sum is σ = 140439748592. Its totient is φ = 140439748590.

The previous prime is 140439748541. The next prime is 140439748607. The reversal of 140439748591 is 195847934041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140439748591 - 2²⁹ = 139902877679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140439748541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70219874295 + 70219874296.

It is an arithmetic number, because the mean of its divisors is an integer number (70219874296).

Almost surely, 2^140439748591 is an apocalyptic number.

140439748591 is a deficient number, since it is larger than the sum of its proper divisors (1).

140439748591 is an equidigital number, since it uses as much as digits as its factorization.

140439748591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 140439748591 in words is "one hundred forty billion, four hundred thirty-nine million, seven hundred forty-eight thousand, five hundred ninety-one".