109539236 has 12 divisors (see below), whose sum is σ = 191802828. Its totient is φ = 54738432.

The previous prime is 109539233. The next prime is 109539251. The reversal of 109539236 is 632935901.

It can be written as a sum of positive squares in 2 ways, for example, as 100200100 + 9339136 = 10010^2 + 3056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 109539236.

It is not an unprimeable number, because it can be changed into a prime (109539233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (15983569).

Almost surely, 2^109539236 is an apocalyptic number.

It is an amenable number.

109539236 is a deficient number, since it is larger than the sum of its proper divisors (82263592).

109539236 is a wasteful number, since it uses less digits than its factorization.

109539236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15598 (or 15596 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 109539236 is about 10466.0993689149. The cubic root of 109539236 is about 478.4720452509.

The spelling of 109539236 in words is "one hundred nine million, five hundred thirty-nine thousand, two hundred thirty-six".