114509309 has 4 divisors (see below), whose sum is σ = 116669916. Its totient is φ = 112348704.

The previous prime is 114509303. The next prime is 114509321. The reversal of 114509309 is 903905411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903905411 = 19 ⋅47573969.

It can be written as a sum of positive squares in 2 ways, for example, as 101707225 + 12802084 = 10085^2 + 3578^2 .

It is a cyclic number.

It is not a de Polignac number, because 114509309 - 2²⁰ = 113460733 is a prime.

It is a super-2 number, since 2×114509309² = 26224763695314962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114509303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080224 + ... + 1080329.

It is an arithmetic number, because the mean of its divisors is an integer number (29167479).

Almost surely, 2^114509309 is an apocalyptic number.

It is an amenable number.

114509309 is a deficient number, since it is larger than the sum of its proper divisors (2160607).

114509309 is an equidigital number, since it uses as much as digits as its factorization.

114509309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160606.

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

The square root of 114509309 is about 10700.9022516795. The cubic root of 114509309 is about 485.6017740179.

The spelling of 114509309 in words is "one hundred fourteen million, five hundred nine thousand, three hundred nine".