1393930342 has 36 divisors (see below), whose sum is σ = 2478538980. Its totient is φ = 586077240.

The previous prime is 1393930253. The next prime is 1393930379. The reversal of 1393930342 is 2430393931.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2838717 + ... + 2839207.

It is an arithmetic number, because the mean of its divisors is an integer number (68848305).

Almost surely, 2^1393930342 is an apocalyptic number.

1393930342 is a deficient number, since it is larger than the sum of its proper divisors (1084608638).

1393930342 is an frugal number, since it uses more digits than its factorization.

1393930342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 1393930342 is about 37335.3765482551. The cubic root of 1393930342 is about 1117.0699192982.

The spelling of 1393930342 in words is "one billion, three hundred ninety-three million, nine hundred thirty thousand, three hundred forty-two".