1313834369 has 4 divisors (see below), whose sum is σ = 1349343444. Its totient is φ = 1278325296.

The previous prime is 1313834351. The next prime is 1313834383. The reversal of 1313834369 is 9634383131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9634383131 = 26189 ⋅367879.

It can be written as a sum of positive squares in 2 ways, for example, as 713584369 + 600250000 = 26713^2 + 24500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313834369 is a prime.

It is a super-2 number, since 2×1313834369² = 3452321498331256322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313834399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17754482 + ... + 17754555.

It is an arithmetic number, because the mean of its divisors is an integer number (337335861).

Almost surely, 2^1313834369 is an apocalyptic number.

It is an amenable number.

1313834369 is a deficient number, since it is larger than the sum of its proper divisors (35509075).

1313834369 is an equidigital number, since it uses as much as digits as its factorization.

1313834369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35509074.

The product of its digits is 139968, while the sum is 41.

The square root of 1313834369 is about 36246.8532289356. The cubic root of 1313834369 is about 1095.2507002273.

The spelling of 1313834369 in words is "one billion, three hundred thirteen million, eight hundred thirty-four thousand, three hundred sixty-nine".