4134509 has 2 divisors, whose sum is σ = 4134510. Its totient is φ = 4134508.

The previous prime is 4134499. The next prime is 4134539. The reversal of 4134509 is 9054314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4012009 + 122500 = 2003^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 4134509 - 2¹⁶ = 4068973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4134539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067254 + 2067255.

It is an arithmetic number, because the mean of its divisors is an integer number (2067255).

Almost surely, 2^4134509 is an apocalyptic number.

It is an amenable number.

4134509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4134509 is an equidigital number, since it uses as much as digits as its factorization.

4134509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4134509 is about 2033.3492075883. The cubic root of 4134509 is about 160.4998560442.

The spelling of 4134509 in words is "four million, one hundred thirty-four thousand, five hundred nine".