440143133 has 4 divisors (see below), whose sum is σ = 440351808. Its totient is φ = 439934460.

The previous prime is 440143097. The next prime is 440143139. The reversal of 440143133 is 331341044.

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.

It is a cyclic number.

It is not a de Polignac number, because 440143133 - 2¹⁶ = 440077597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440143099 and 440143108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440143139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101141 + ... + 105402.

It is an arithmetic number, because the mean of its divisors is an integer number (110087952).

Almost surely, 2^440143133 is an apocalyptic number.

It is an amenable number.

440143133 is a deficient number, since it is larger than the sum of its proper divisors (208675).

440143133 is a wasteful number, since it uses less digits than its factorization.

440143133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208674.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 440143133 is about 20979.5884850013. The cubic root of 440143133 is about 760.6729571495.

Adding to 440143133 its reverse (331341044), we get a palindrome (771484177).

The spelling of 440143133 in words is "four hundred forty million, one hundred forty-three thousand, one hundred thirty-three".