1399310803 has 16 divisors (see below), whose sum is σ = 1608186240. Its totient is φ = 1204156800.

The previous prime is 1399310791. The next prime is 1399310821. The reversal of 1399310803 is 3080139931.

It is a de Polignac number, because none of the positive numbers 2^k-1399310803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1399310833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376651 + ... + 380347.

It is an arithmetic number, because the mean of its divisors is an integer number (100511640).

Almost surely, 2^1399310803 is an apocalyptic number.

1399310803 is a deficient number, since it is larger than the sum of its proper divisors (208875437).

1399310803 is a wasteful number, since it uses less digits than its factorization.

1399310803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1399310803 is about 37407.3629516971. The cubic root of 1399310803 is about 1118.5053412210.

The spelling of 1399310803 in words is "one billion, three hundred ninety-nine million, three hundred ten thousand, eight hundred three".