134305313 has 2 divisors, whose sum is σ = 134305314. Its totient is φ = 134305312.

The previous prime is 134305307. The next prime is 134305343. The reversal of 134305313 is 313503431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84419344 + 49885969 = 9188^2 + 7063^2 .

It is an emirp because it is prime and its reverse (313503431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134305313 - 2⁸ = 134305057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (134305343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67152656 + 67152657.

It is an arithmetic number, because the mean of its divisors is an integer number (67152657).

Almost surely, 2^134305313 is an apocalyptic number.

It is an amenable number.

134305313 is a deficient number, since it is larger than the sum of its proper divisors (1).

134305313 is an equidigital number, since it uses as much as digits as its factorization.

134305313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 134305313 is about 11589.0169125772. The cubic root of 134305313 is about 512.1113458703. Note that the first 3 decimals are identical.

Adding to 134305313 its reverse (313503431), we get a palindrome (447808744).

The spelling of 134305313 in words is "one hundred thirty-four million, three hundred five thousand, three hundred thirteen".