1386318163 has 4 divisors (see below), whose sum is σ = 1386397360. Its totient is φ = 1386238968.

The previous prime is 1386318161. The next prime is 1386318187. The reversal of 1386318163 is 3618136831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1386318163 - 2¹ = 1386318161 is a prime.

It is a super-3 number, since 3×1386318163³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1386318161) 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 3 ways as a sum of consecutive naturals, for example, 420 + ... + 52657.

It is an arithmetic number, because the mean of its divisors is an integer number (346599340).

Almost surely, 2^1386318163 is an apocalyptic number.

1386318163 is a deficient number, since it is larger than the sum of its proper divisors (79197).

1386318163 is an equidigital number, since it uses as much as digits as its factorization.

1386318163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79196.

The product of its digits is 62208, while the sum is 40.

The square root of 1386318163 is about 37233.2937436376. The cubic root of 1386318163 is about 1115.0327868793.

The spelling of 1386318163 in words is "one billion, three hundred eighty-six million, three hundred eighteen thousand, one hundred sixty-three".