14535139 has 4 divisors (see below), whose sum is σ = 14552920. Its totient is φ = 14517360.

The previous prime is 14535137. The next prime is 14535151. The reversal of 14535139 is 93153541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14535139 - 2¹ = 14535137 is a prime.

It is a super-2 number, since 2×14535139² = 422540531498642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14535139.

It is not an unprimeable number, because it can be changed into a prime (14535137) 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, 7602 + ... + 9319.

It is an arithmetic number, because the mean of its divisors is an integer number (3638230).

Almost surely, 2^14535139 is an apocalyptic number.

14535139 is a deficient number, since it is larger than the sum of its proper divisors (17781).

14535139 is an equidigital number, since it uses as much as digits as its factorization.

14535139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17780.

The product of its digits is 8100, while the sum is 31.

The square root of 14535139 is about 3812.4977377042. The cubic root of 14535139 is about 244.0467694545.

The spelling of 14535139 in words is "fourteen million, five hundred thirty-five thousand, one hundred thirty-nine".