1439495307 has 12 divisors (see below), whose sum is σ = 2156281400. Its totient is φ = 959663376.

The previous prime is 1439495269. The next prime is 1439495339. The reversal of 1439495307 is 7035949341.

It is not a de Polignac number, because 1439495307 - 2⁸ = 1439495051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1439495377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2961682 + ... + 2962167.

Almost surely, 2^1439495307 is an apocalyptic number.

1439495307 is a deficient number, since it is larger than the sum of its proper divisors (716786093).

1439495307 is an frugal number, since it uses more digits than its factorization.

1439495307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923864 (or 5923852 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 1439495307 is about 37940.6814250878. The cubic root of 1439495307 is about 1129.1112930482. Note that the first 3 decimals are identical.

The spelling of 1439495307 in words is "one billion, four hundred thirty-nine million, four hundred ninety-five thousand, three hundred seven".