1394159668 has 24 divisors (see below), whose sum is σ = 2662652160. Its totient is φ = 633453120.

The previous prime is 1394159629. The next prime is 1394159747. The reversal of 1394159668 is 8669514931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143080 + ... + 152512.

It is an arithmetic number, because the mean of its divisors is an integer number (110943840).

Almost surely, 2^1394159668 is an apocalyptic number.

It is an amenable number.

1394159668 is a deficient number, since it is larger than the sum of its proper divisors (1268492492).

1394159668 is a wasteful number, since it uses less digits than its factorization.

1394159668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807 (or 12805 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The square root of 1394159668 is about 37338.4475842261. The cubic root of 1394159668 is about 1117.1311751399.

The spelling of 1394159668 in words is "one billion, three hundred ninety-four million, one hundred fifty-nine thousand, six hundred sixty-eight".