4135309 has 4 divisors (see below), whose sum is σ = 4185216. Its totient is φ = 4085404.

The previous prime is 4135303. The next prime is 4135343. The reversal of 4135309 is 9035314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9035314 = 2 ⋅4517657.

It is a cyclic number.

It is not a de Polignac number, because 4135309 - 2¹⁵ = 4102541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24829 + ... + 24994.

It is an arithmetic number, because the mean of its divisors is an integer number (1046304).

Almost surely, 2^4135309 is an apocalyptic number.

It is an amenable number.

4135309 is a deficient number, since it is larger than the sum of its proper divisors (49907).

4135309 is an equidigital number, since it uses as much as digits as its factorization.

4135309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49906.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 4135309 is about 2033.5459178489. The cubic root of 4135309 is about 160.5102072616.

It can be divided in two parts, 4135 and 309, that added together give a palindrome (4444).

The spelling of 4135309 in words is "four million, one hundred thirty-five thousand, three hundred nine".