1439666107 has 6 divisors (see below), whose sum is σ = 1582443044. Its totient is φ = 1308787260.

The previous prime is 1439666099. The next prime is 1439666147. The reversal of 1439666107 is 7016669341.

It is not a de Polignac number, because 1439666107 - 2³ = 1439666099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1439666147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5948913 + ... + 5949154.

Almost surely, 2^1439666107 is an apocalyptic number.

1439666107 is a deficient number, since it is larger than the sum of its proper divisors (142776937).

1439666107 is a wasteful number, since it uses less digits than its factorization.

1439666107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11898089 (or 11898078 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1439666107 is about 37942.9322404055. The cubic root of 1439666107 is about 1129.1559486487.

The spelling of 1439666107 in words is "one billion, four hundred thirty-nine million, six hundred sixty-six thousand, one hundred seven".