1378364319 has 12 divisors (see below), whose sum is σ = 2018245216. Its totient is φ = 906321312.

The previous prime is 1378364303. The next prime is 1378364321. The reversal of 1378364319 is 9134638731.

1378364319 is a `hidden beast` number, since 137 + 83 + 6 + 431 + 9 = 666.

It is not a de Polignac number, because 1378364319 - 2⁴ = 1378364303 is a prime.

It is a super-2 number, since 2×1378364319² = 3799776391784667522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378364359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048327 + ... + 1049640.

Almost surely, 2^1378364319 is an apocalyptic number.

1378364319 is a deficient number, since it is larger than the sum of its proper divisors (639880897).

1378364319 is a wasteful number, since it uses less digits than its factorization.

1378364319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098046 (or 2098043 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 1378364319 is about 37126.3291883267. The cubic root of 1378364319 is about 1112.8962373268.

The spelling of 1378364319 in words is "one billion, three hundred seventy-eight million, three hundred sixty-four thousand, three hundred nineteen".