4144666135 has 4 divisors (see below), whose sum is σ = 4973599368. Its totient is φ = 3315732904.

The previous prime is 4144666133. The next prime is 4144666157. The reversal of 4144666135 is 5316664414.

It is a happy number.

4144666135 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4144666135 - 2¹ = 4144666133 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 (4144666133) 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 3 ways as a sum of consecutive naturals, for example, 414466609 + ... + 414466618.

It is an arithmetic number, because the mean of its divisors is an integer number (1243399842).

Almost surely, 2^4144666135 is an apocalyptic number.

4144666135 is a deficient number, since it is larger than the sum of its proper divisors (828933233).

4144666135 is an equidigital number, since it uses as much as digits as its factorization.

4144666135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828933232.

The product of its digits is 207360, while the sum is 40.

The square root of 4144666135 is about 64379.0815016803. The cubic root of 4144666135 is about 1606.3118042907.

The spelling of 4144666135 in words is "four billion, one hundred forty-four million, six hundred sixty-six thousand, one hundred thirty-five".