109534209 has 16 divisors (see below), whose sum is σ = 148568640. Its totient is φ = 71772480.

The previous prime is 109534193. The next prime is 109534219. The reversal of 109534209 is 902435901.

It is not a de Polignac number, because 109534209 - 2⁴ = 109534193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109534209.

It is not an unprimeable number, because it can be changed into a prime (109534219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41559 + ... + 44115.

It is an arithmetic number, because the mean of its divisors is an integer number (9285540).

Almost surely, 2^109534209 is an apocalyptic number.

It is an amenable number.

109534209 is a deficient number, since it is larger than the sum of its proper divisors (39034431).

109534209 is a wasteful number, since it uses less digits than its factorization.

109534209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 109534209 is about 10465.8592098308. The cubic root of 109534209 is about 478.4647257556.

The spelling of 109534209 in words is "one hundred nine million, five hundred thirty-four thousand, two hundred nine".