134443313 has 2 divisors, whose sum is σ = 134443314. Its totient is φ = 134443312.

The previous prime is 134443307. The next prime is 134443319. The reversal of 134443313 is 313344431.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (134443307) and next prime (134443319).

It can be written as a sum of positive squares in only one way, i.e., 69689104 + 64754209 = 8348^2 + 8047^2 .

It is a cyclic number.

It is not a de Polignac number, because 134443313 - 2²⁴ = 117666097 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 (134443319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67221656 + 67221657.

It is an arithmetic number, because the mean of its divisors is an integer number (67221657).

Almost surely, 2^134443313 is an apocalyptic number.

It is an amenable number.

134443313 is a deficient number, since it is larger than the sum of its proper divisors (1).

134443313 is an equidigital number, since it uses as much as digits as its factorization.

134443313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 134443313 is about 11594.9692970702. The cubic root of 134443313 is about 512.2866856062.

Adding to 134443313 its reverse (313344431), we get a palindrome (447787744).

The spelling of 134443313 in words is "one hundred thirty-four million, four hundred forty-three thousand, three hundred thirteen".