139744205844875 has 16 divisors (see below), whose sum is σ = 174646750343520. Its totient is φ = 111637684260000.

The previous prime is 139744205844811. The next prime is 139744205844877. The reversal of 139744205844875 is 578448502447931.

It is not a de Polignac number, because 139744205844875 - 2⁶ = 139744205844811 is a prime.

It is a super-2 number, since 2×139744205844875² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 139744205844799 and 139744205844808.

It is not an unprimeable number, because it can be changed into a prime (139744205844877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788313101 + ... + 788490350.

It is an arithmetic number, because the mean of its divisors is an integer number (10915421896470).

Almost surely, 2^{139744205844875} is an apocalyptic number.

139744205844875 is a deficient number, since it is larger than the sum of its proper divisors (34902544498645).

139744205844875 is an equidigital number, since it uses as much as digits as its factorization.

139744205844875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576804175 (or 1576804165 counting only the distinct ones).

The product of its (nonzero) digits is 1083801600, while the sum is 71.

The spelling of 139744205844875 in words is "one hundred thirty-nine trillion, seven hundred forty-four billion, two hundred five million, eight hundred forty-four thousand, eight hundred seventy-five".