1378364317 has 16 divisors (see below), whose sum is σ = 1526091840. Its totient is φ = 1234460800.

The previous prime is 1378364303. The next prime is 1378364321. The reversal of 1378364317 is 7134638731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1378364317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378364717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353217 + ... + 357097.

It is an arithmetic number, because the mean of its divisors is an integer number (95380740).

Almost surely, 2^1378364317 is an apocalyptic number.

It is an amenable number.

1378364317 is a deficient number, since it is larger than the sum of its proper divisors (147727523).

1378364317 is a wasteful number, since it uses less digits than its factorization.

1378364317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its digits is 254016, while the sum is 43.

The square root of 1378364317 is about 37126.3291613916. The cubic root of 1378364317 is about 1112.8962367885.

The spelling of 1378364317 in words is "one billion, three hundred seventy-eight million, three hundred sixty-four thousand, three hundred seventeen".