14130405 has 24 divisors (see below), whose sum is σ = 24743160. Its totient is φ = 7459200.

The previous prime is 14130377. The next prime is 14130427. The reversal of 14130405 is 50403141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2556801 + 11573604 = 1599^2 + 3402^2 .

It is not a de Polignac number, because 14130405 - 2⁵ = 14130373 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2991 + ... + 6099.

It is an arithmetic number, because the mean of its divisors is an integer number (1030965).

Almost surely, 2^14130405 is an apocalyptic number.

14130405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14130405 is a deficient number, since it is larger than the sum of its proper divisors (10612755).

14130405 is a wasteful number, since it uses less digits than its factorization.

14130405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 14130405 is about 3759.0430963212. The cubic root of 14130405 is about 241.7602354016.

Adding to 14130405 its reverse (50403141), we get a palindrome (64533546).

It can be divided in two parts, 14130 and 405, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 14130405 in words is "fourteen million, one hundred thirty thousand, four hundred five".