2134005209 has 8 divisors (see below), whose sum is σ = 2439159168. Its totient is φ = 1828925280.

The previous prime is 2134005193. The next prime is 2134005233. The reversal of 2134005209 is 9025004312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2134005209 - 2⁴ = 2134005193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134005299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74324 + ... + 98954.

It is an arithmetic number, because the mean of its divisors is an integer number (304894896).

Almost surely, 2^2134005209 is an apocalyptic number.

It is an amenable number.

2134005209 is a deficient number, since it is larger than the sum of its proper divisors (305153959).

2134005209 is a wasteful number, since it uses less digits than its factorization.

2134005209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37015.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2134005209 is about 46195.2942300404. The cubic root of 2134005209 is about 1287.4543087942.

The spelling of 2134005209 in words is "two billion, one hundred thirty-four million, five thousand, two hundred nine".