14109505 has 8 divisors (see below), whose sum is σ = 17087400. Its totient is φ = 11183616.

The previous prime is 14109503. The next prime is 14109521. The reversal of 14109505 is 50590141.

14109505 = 138² + 139² + ... + 355².

14109505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5992704 + 8116801 = 2448^2 + 2849^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14109505 - 2¹ = 14109503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14109505.

It is not an unprimeable number, because it can be changed into a prime (14109503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12400 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (2135925).

Almost surely, 2^14109505 is an apocalyptic number.

It is an amenable number.

14109505 is a deficient number, since it is larger than the sum of its proper divisors (2977895).

14109505 is a wasteful number, since it uses less digits than its factorization.

14109505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26003.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 14109505 is about 3756.2621048058. The cubic root of 14109505 is about 241.6409823411.

Adding to 14109505 its reverse (50590141), we get a palindrome (64699646).

The spelling of 14109505 in words is "fourteen million, one hundred nine thousand, five hundred five".