4135865 has 8 divisors (see below), whose sum is σ = 5123328. Its totient is φ = 3201840.

The previous prime is 4135853. The next prime is 4135889. The reversal of 4135865 is 5685314.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4135865 - 2⁸ = 4135609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13187 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (640416).

Almost surely, 2^4135865 is an apocalyptic number.

It is an amenable number.

4135865 is a deficient number, since it is larger than the sum of its proper divisors (987463).

4135865 is a wasteful number, since it uses less digits than its factorization.

4135865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26719.

The product of its digits is 14400, while the sum is 32.

The square root of 4135865 is about 2033.6826202729. The cubic root of 4135865 is about 160.5174005714.

The spelling of 4135865 in words is "four million, one hundred thirty-five thousand, eight hundred sixty-five".