1383816742 has 72 divisors (see below), whose sum is σ = 2681935272. Its totient is φ = 533914920.

The previous prime is 1383816713. The next prime is 1383816799. The reversal of 1383816742 is 2476183831.

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 35 ways as a sum of consecutive naturals, for example, 13435063 + ... + 13435165.

It is an arithmetic number, because the mean of its divisors is an integer number (37249101).

Almost surely, 2^1383816742 is an apocalyptic number.

1383816742 is a deficient number, since it is larger than the sum of its proper divisors (1298118530).

1383816742 is an equidigital number, since it uses as much as digits as its factorization.

1383816742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 123 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1383816742 is about 37199.6873911596. The cubic root of 1383816742 is about 1114.3617418665.

The spelling of 1383816742 in words is "one billion, three hundred eighty-three million, eight hundred sixteen thousand, seven hundred forty-two".