2140644253139 has 12 divisors (see below), whose sum is σ = 2493036120600. Its totient is φ = 1832701879008.

The previous prime is 2140644253067. The next prime is 2140644253169. The reversal of 2140644253139 is 9313524460412.

It is not a de Polignac number, because 2140644253139 - 2¹² = 2140644249043 is a prime.

It is a super-2 number, since 2×2140644253139² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2140644253139.

It is not an unprimeable number, because it can be changed into a prime (2140644253169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25386674 + ... + 25470855.

It is an arithmetic number, because the mean of its divisors is an integer number (207753010050).

Almost surely, 2^{2140644253139} is an apocalyptic number.

2140644253139 is a deficient number, since it is larger than the sum of its proper divisors (352391867461).

2140644253139 is an equidigital number, since it uses as much as digits as its factorization.

2140644253139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50858402 (or 50858395 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 2140644253139 in words is "two trillion, one hundred forty billion, six hundred forty-four million, two hundred fifty-three thousand, one hundred thirty-nine".