1380334668 has 24 divisors (see below), whose sum is σ = 3250884672. Its totient is φ = 455811024.

The previous prime is 1380334633. The next prime is 1380334699. The reversal of 1380334668 is 8664330831.

It is an unprimeable number.

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, 536230 + ... + 538797.

It is an arithmetic number, because the mean of its divisors is an integer number (135453528).

Almost surely, 2^1380334668 is an apocalyptic number.

It is an amenable number.

1380334668 is an abundant number, since it is smaller than the sum of its proper divisors (1870550004).

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

1380334668 is a wasteful number, since it uses less digits than its factorization.

1380334668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075141 (or 1075139 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 1380334668 is about 37152.8554488077. The cubic root of 1380334668 is about 1113.4262737699.

The spelling of 1380334668 in words is "one billion, three hundred eighty million, three hundred thirty-four thousand, six hundred sixty-eight".