3665135 has 8 divisors (see below), whose sum is σ = 4414176. Its totient is φ = 2921440.

The previous prime is 3665131. The next prime is 3665141. The reversal of 3665135 is 5315663.

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

It is not a de Polignac number, because 3665135 - 2² = 3665131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3665098 and 3665107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (551772).

Almost surely, 2^3665135 is an apocalyptic number.

3665135 is a deficient number, since it is larger than the sum of its proper divisors (749041).

3665135 is a wasteful number, since it uses less digits than its factorization.

With its successor (3665136) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2673).

3665135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673.

The product of its digits is 8100, while the sum is 29.

The square root of 3665135 is about 1914.4542303226. The cubic root of 3665135 is about 154.1806924988.

The spelling of 3665135 in words is "three million, six hundred sixty-five thousand, one hundred thirty-five".