139606032389 has 2 divisors, whose sum is σ = 139606032390. Its totient is φ = 139606032388.

The previous prime is 139606032361. The next prime is 139606032403. The reversal of 139606032389 is 983230606931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139552303489 + 53728900 = 373567^2 + 7330^2 .

It is a cyclic number.

It is not a de Polignac number, because 139606032389 - 2⁸ = 139606032133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139606032089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69803016194 + 69803016195.

It is an arithmetic number, because the mean of its divisors is an integer number (69803016195).

Almost surely, 2^139606032389 is an apocalyptic number.

It is an amenable number.

139606032389 is a deficient number, since it is larger than the sum of its proper divisors (1).

139606032389 is an equidigital number, since it uses as much as digits as its factorization.

139606032389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 139606032389 in words is "one hundred thirty-nine billion, six hundred six million, thirty-two thousand, three hundred eighty-nine".