14131505 has 24 divisors (see below), whose sum is σ = 18660456. Its totient is φ = 10237440.

The previous prime is 14131501. The next prime is 14131531. The reversal of 14131505 is 50513141.

14131505 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 5997601 + 8133904 = 2449^2 + 2852^2 .

It is not a de Polignac number, because 14131505 - 2² = 14131501 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 (14131501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81599 + ... + 81771.

It is an arithmetic number, because the mean of its divisors is an integer number (777519).

Almost surely, 2^14131505 is an apocalyptic number.

It is an amenable number.

14131505 is a deficient number, since it is larger than the sum of its proper divisors (4528951).

14131505 is a wasteful number, since it uses less digits than its factorization.

14131505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 14131505 is about 3759.1894073058. The cubic root of 14131505 is about 241.7665086202.

Adding to 14131505 its reverse (50513141), we get a palindrome (64644646).

The spelling of 14131505 in words is "fourteen million, one hundred thirty-one thousand, five hundred five".