134323309 has 2 divisors, whose sum is σ = 134323310. Its totient is φ = 134323308.

The previous prime is 134323303. The next prime is 134323327. The reversal of 134323309 is 903323431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130462084 + 3861225 = 11422^2 + 1965^2 .

It is an emirp because it is prime and its reverse (903323431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134323309 - 2¹³ = 134315117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67161654 + 67161655.

It is an arithmetic number, because the mean of its divisors is an integer number (67161655).

Almost surely, 2^134323309 is an apocalyptic number.

It is an amenable number.

134323309 is a deficient number, since it is larger than the sum of its proper divisors (1).

134323309 is an equidigital number, since it uses as much as digits as its factorization.

134323309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 134323309 is about 11589.7933113581. The cubic root of 134323309 is about 512.1342179964.

The spelling of 134323309 in words is "one hundred thirty-four million, three hundred twenty-three thousand, three hundred nine".