1399287116 has 12 divisors (see below), whose sum is σ = 2450929320. Its totient is φ = 699021600.

The previous prime is 1399287107. The next prime is 1399287121. The reversal of 1399287116 is 6117829931.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 150410 + ... + 159441.

It is an arithmetic number, because the mean of its divisors is an integer number (204244110).

Almost surely, 2^1399287116 is an apocalyptic number.

It is an amenable number.

1399287116 is a deficient number, since it is larger than the sum of its proper divisors (1051642204).

1399287116 is a wasteful number, since it uses less digits than its factorization.

1399287116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310984 (or 310982 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 1399287116 is about 37407.0463415651. The cubic root of 1399287116 is about 1118.4990299746.

The spelling of 1399287116 in words is "one billion, three hundred ninety-nine million, two hundred eighty-seven thousand, one hundred sixteen".