139589719 has 2 divisors, whose sum is σ = 139589720. Its totient is φ = 139589718.

The previous prime is 139589717. The next prime is 139589741. The reversal of 139589719 is 917985931.

It is a happy number.

139589719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139589719 - 2¹ = 139589717 is a prime.

It is a super-2 number, since 2×139589719² = 38970579300997922, which contains 22 as substring.

Together with 139589717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139589717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69794859 + 69794860.

It is an arithmetic number, because the mean of its divisors is an integer number (69794860).

Almost surely, 2^139589719 is an apocalyptic number.

139589719 is a deficient number, since it is larger than the sum of its proper divisors (1).

139589719 is an equidigital number, since it uses as much as digits as its factorization.

139589719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 52.

The square root of 139589719 is about 11814.8093086600. The cubic root of 139589719 is about 518.7416801491.

The spelling of 139589719 in words is "one hundred thirty-nine million, five hundred eighty-nine thousand, seven hundred nineteen".