1394805868 has 12 divisors (see below), whose sum is σ = 2584493352. Its totient is φ = 656379200.

The previous prime is 1394805829. The next prime is 1394805869. The reversal of 1394805868 is 8685084931.

It is not an unprimeable number, because it can be changed into a prime (1394805869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10255858 + ... + 10255993.

It is an arithmetic number, because the mean of its divisors is an integer number (215374446).

Almost surely, 2^1394805868 is an apocalyptic number.

It is an amenable number.

1394805868 is a deficient number, since it is larger than the sum of its proper divisors (1189687484).

1394805868 is a wasteful number, since it uses less digits than its factorization.

1394805868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20511872 (or 20511870 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 1394805868 is about 37347.0998606317. The cubic root of 1394805868 is about 1117.3037471146.

The spelling of 1394805868 in words is "one billion, three hundred ninety-four million, eight hundred five thousand, eight hundred sixty-eight".