1326338117 has 4 divisors (see below), whose sum is σ = 1428364140. Its totient is φ = 1224312096.

The previous prime is 1326338077. The next prime is 1326338129. The reversal of 1326338117 is 7118336231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7118336231 = 1483 ⋅4799957.

It can be written as a sum of positive squares in 2 ways, for example, as 350962756 + 975375361 = 18734^2 + 31231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326338117 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 (1326338137) 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, 51012992 + ... + 51013017.

It is an arithmetic number, because the mean of its divisors is an integer number (357091035).

Almost surely, 2^1326338117 is an apocalyptic number.

It is an amenable number.

1326338117 is a deficient number, since it is larger than the sum of its proper divisors (102026023).

1326338117 is a wasteful number, since it uses less digits than its factorization.

1326338117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102026022.

The product of its digits is 18144, while the sum is 35.

The square root of 1326338117 is about 36418.9252587168. The cubic root of 1326338117 is about 1098.7142323887.

The spelling of 1326338117 in words is "one billion, three hundred twenty-six million, three hundred thirty-eight thousand, one hundred seventeen".