139304238989 has 16 divisors (see below), whose sum is σ = 148009991040. Its totient is φ = 130827111360.

The previous prime is 139304238967. The next prime is 139304239043. The reversal of 139304238989 is 989832403931.

It is a cyclic number.

It is not a de Polignac number, because 139304238989 - 2³² = 135009271693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139304238959) 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 15 ways as a sum of consecutive naturals, for example, 692342 + ... + 870600.

It is an arithmetic number, because the mean of its divisors is an integer number (9250624440).

Almost surely, 2^139304238989 is an apocalyptic number.

It is an amenable number.

139304238989 is a deficient number, since it is larger than the sum of its proper divisors (8705752051).

139304238989 is a wasteful number, since it uses less digits than its factorization.

139304238989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178900.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 139304238989 in words is "one hundred thirty-nine billion, three hundred four million, two hundred thirty-eight thousand, nine hundred eighty-nine".