334140209 has 12 divisors (see below), whose sum is σ = 365043276. Its totient is φ = 305690112.

The previous prime is 334140203. The next prime is 334140221. The reversal of 334140209 is 902041433.

It can be written as a sum of positive squares in 6 ways, for example, as 260661025 + 73479184 = 16145^2 + 8572^2 .

It is not a de Polignac number, because 334140209 - 2⁴ = 334140193 is a prime.

It is a super-2 number, since 2×334140209² = 223299358541127362, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (334140203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10349 + ... + 27845.

It is an arithmetic number, because the mean of its divisors is an integer number (30420273).

Almost surely, 2^334140209 is an apocalyptic number.

It is an amenable number.

334140209 is a deficient number, since it is larger than the sum of its proper divisors (30903067).

334140209 is a wasteful number, since it uses less digits than its factorization.

334140209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17636 (or 17623 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 334140209 is about 18279.5024275827. The cubic root of 334140209 is about 693.9202798855.

The spelling of 334140209 in words is "three hundred thirty-four million, one hundred forty thousand, two hundred nine".