1339903917 has 32 divisors (see below), whose sum is σ = 2235371520. Its totient is φ = 785862000.

The previous prime is 1339903889. The next prime is 1339903927. The reversal of 1339903917 is 7193099331.

It is not a de Polignac number, because 1339903917 - 2⁸ = 1339903661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339903927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63559 + ... + 81972.

It is an arithmetic number, because the mean of its divisors is an integer number (69855360).

Almost surely, 2^1339903917 is an apocalyptic number.

It is an amenable number.

1339903917 is a deficient number, since it is larger than the sum of its proper divisors (895467603).

1339903917 is a wasteful number, since it uses less digits than its factorization.

1339903917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145582 (or 145576 counting only the distinct ones).

The product of its (nonzero) digits is 137781, while the sum is 45.

The square root of 1339903917 is about 36604.6980181506. The cubic root of 1339903917 is about 1102.4474203255.

The spelling of 1339903917 in words is "one billion, three hundred thirty-nine million, nine hundred three thousand, nine hundred seventeen".