1399190992 has 20 divisors (see below), whose sum is σ = 2715905536. Its totient is φ = 698312160.

The previous prime is 1399190981. The next prime is 1399191019. The reversal of 1399190992 is 2990919931.

It is a congruent number.

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, 71184 + ... + 88687.

Almost surely, 2^1399190992 is an apocalyptic number.

It is an amenable number.

1399190992 is a deficient number, since it is larger than the sum of its proper divisors (1316714544).

1399190992 is a wasteful number, since it uses less digits than its factorization.

1399190992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160426 (or 160420 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 52.

The square root of 1399190992 is about 37405.7614813547. The cubic root of 1399190992 is about 1118.4734176321.

The spelling of 1399190992 in words is "one billion, three hundred ninety-nine million, one hundred ninety thousand, nine hundred ninety-two".