1378840314 has 16 divisors (see below), whose sum is σ = 2758044960. Its totient is φ = 459552720.

The previous prime is 1378840283. The next prime is 1378840321. The reversal of 1378840314 is 4130488731.

It is a super-2 number, since 2×1378840314² = 3802401223023237192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78349 + ... + 94319.

It is an arithmetic number, because the mean of its divisors is an integer number (172377810).

Almost surely, 2^1378840314 is an apocalyptic number.

1378840314 is an abundant number, since it is smaller than the sum of its proper divisors (1379204646).

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

1378840314 is a wasteful number, since it uses less digits than its factorization.

1378840314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30365.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1378840314 is about 37132.7391125406. The cubic root of 1378840314 is about 1113.0243292666.

The spelling of 1378840314 in words is "one billion, three hundred seventy-eight million, eight hundred forty thousand, three hundred fourteen".