139183045865 has 32 divisors (see below), whose sum is σ = 171924996096. Its totient is φ = 108123724800.

The previous prime is 139183045849. The next prime is 139183045919. The reversal of 139183045865 is 568540381931.

It is a happy number.

It is not a de Polignac number, because 139183045865 - 2⁴ = 139183045849 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14567840 + ... + 14577390.

It is an arithmetic number, because the mean of its divisors is an integer number (5372656128).

Almost surely, 2^139183045865 is an apocalyptic number.

It is an amenable number.

139183045865 is a deficient number, since it is larger than the sum of its proper divisors (32741950231).

139183045865 is a wasteful number, since it uses less digits than its factorization.

139183045865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 139183045865 in words is "one hundred thirty-nine billion, one hundred eighty-three million, forty-five thousand, eight hundred sixty-five".