1380839568 has 40 divisors (see below), whose sum is σ = 3568515648. Its totient is φ = 460106112.

The previous prime is 1380839567. The next prime is 1380839591. The reversal of 1380839568 is 8659380831.

It is a self number, because there is not a number n which added to its sum of digits gives 1380839568.

It is not an unprimeable number, because it can be changed into a prime (1380839561) 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 7 ways as a sum of consecutive naturals, for example, 216846 + ... + 223122.

Almost surely, 2^1380839568 is an apocalyptic number.

It is an amenable number.

1380839568 is an abundant number, since it is smaller than the sum of its proper divisors (2187676080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1380839568 is a wasteful number, since it uses less digits than its factorization.

1380839568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10865 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 1380839568 is about 37159.6497292426. The cubic root of 1380839568 is about 1113.5620138937.

The spelling of 1380839568 in words is "one billion, three hundred eighty million, eight hundred thirty-nine thousand, five hundred sixty-eight".