14539109 has 4 divisors (see below), whose sum is σ = 15657516. Its totient is φ = 13420704.

The previous prime is 14539103. The next prime is 14539127. The reversal of 14539109 is 90193541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90193541 = 6353 ⋅14197.

It can be written as a sum of positive squares in 2 ways, for example, as 5866084 + 8673025 = 2422^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 14539109 - 2¹² = 14535013 is a prime.

It is a super-2 number, since 2×14539109² = 422771381027762, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14539103) 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, 559184 + ... + 559209.

It is an arithmetic number, because the mean of its divisors is an integer number (3914379).

Almost surely, 2^14539109 is an apocalyptic number.

It is an amenable number.

14539109 is a deficient number, since it is larger than the sum of its proper divisors (1118407).

14539109 is a wasteful number, since it uses less digits than its factorization.

14539109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118406.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 14539109 is about 3813.0183582039. The cubic root of 14539109 is about 244.0689863612.

The spelling of 14539109 in words is "fourteen million, five hundred thirty-nine thousand, one hundred nine".