43135132209 has 16 divisors (see below), whose sum is σ = 62033392512. Its totient is φ = 26503653888.

The previous prime is 43135132193. The next prime is 43135132231. The reversal of 43135132209 is 90223153134.

It is not a de Polignac number, because 43135132209 - 2⁴ = 43135132193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43135132209.

It is not an unprimeable number, because it can be changed into a prime (43135132309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829504 + ... + 879969.

It is an arithmetic number, because the mean of its divisors is an integer number (3877087032).

Almost surely, 2^43135132209 is an apocalyptic number.

It is an amenable number.

43135132209 is a deficient number, since it is larger than the sum of its proper divisors (18898260303).

43135132209 is a wasteful number, since it uses less digits than its factorization.

43135132209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710136.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 43135132209 in words is "forty-three billion, one hundred thirty-five million, one hundred thirty-two thousand, two hundred nine".