1343340065 has 4 divisors (see below), whose sum is σ = 1612008084. Its totient is φ = 1074672048.

The previous prime is 1343340049. The next prime is 1343340073. The reversal of 1343340065 is 5600433431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 703098256 + 640241809 = 26516^2 + 25303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343340065 - 2⁴ = 1343340049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134334002 + ... + 134334011.

It is an arithmetic number, because the mean of its divisors is an integer number (403002021).

Almost surely, 2^1343340065 is an apocalyptic number.

It is an amenable number.

1343340065 is a deficient number, since it is larger than the sum of its proper divisors (268668019).

1343340065 is an equidigital number, since it uses as much as digits as its factorization.

1343340065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268668018.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 1343340065 is about 36651.6038530376. The cubic root of 1343340065 is about 1103.3890149263.

Adding to 1343340065 its reverse (5600433431), we get a palindrome (6943773496).

The spelling of 1343340065 in words is "one billion, three hundred forty-three million, three hundred forty thousand, sixty-five".