140087044439 has 2 divisors, whose sum is σ = 140087044440. Its totient is φ = 140087044438.

The previous prime is 140087044423. The next prime is 140087044451. The reversal of 140087044439 is 934440780041.

It is a strong prime.

It is an emirp because it is prime and its reverse (934440780041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140087044439 - 2⁴ = 140087044423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140087044439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140087044639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70043522219 + 70043522220.

It is an arithmetic number, because the mean of its divisors is an integer number (70043522220).

Almost surely, 2^140087044439 is an apocalyptic number.

140087044439 is a deficient number, since it is larger than the sum of its proper divisors (1).

140087044439 is an equidigital number, since it uses as much as digits as its factorization.

140087044439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 140087044439 in words is "one hundred forty billion, eighty-seven million, forty-four thousand, four hundred thirty-nine".