1381318327 has 8 divisors (see below), whose sum is σ = 1392174000. Its totient is φ = 1370496000.

The previous prime is 1381318273. The next prime is 1381318349. The reversal of 1381318327 is 7238131831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1381318327 - 2²⁷ = 1247100599 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 (1381318387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78327 + ... + 94327.

It is an arithmetic number, because the mean of its divisors is an integer number (174021750).

Almost surely, 2^1381318327 is an apocalyptic number.

1381318327 is a deficient number, since it is larger than the sum of its proper divisors (10855673).

1381318327 is a wasteful number, since it uses less digits than its factorization.

1381318327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16673.

The product of its digits is 24192, while the sum is 37.

The square root of 1381318327 is about 37166.0910912084. The cubic root of 1381318327 is about 1113.6906955658.

The spelling of 1381318327 in words is "one billion, three hundred eighty-one million, three hundred eighteen thousand, three hundred twenty-seven".