3870140178439 has 2 divisors, whose sum is σ = 3870140178440. Its totient is φ = 3870140178438.

The previous prime is 3870140178413. The next prime is 3870140178467. The reversal of 3870140178439 is 9348710410783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3870140178439 - 2¹⁹ = 3870139654151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3870140178439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870140170439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935070089219 + 1935070089220.

It is an arithmetic number, because the mean of its divisors is an integer number (1935070089220).

Almost surely, 2^{3870140178439} is an apocalyptic number.

3870140178439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870140178439 is an equidigital number, since it uses as much as digits as its factorization.

3870140178439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 3870140178439 in words is "three trillion, eight hundred seventy billion, one hundred forty million, one hundred seventy-eight thousand, four hundred thirty-nine".