109728214 has 8 divisors (see below), whose sum is σ = 164787840. Its totient is φ = 54798936.

The previous prime is 109728187. The next prime is 109728233. The reversal of 109728214 is 412827901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 109728214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30454 + ... + 33865.

It is an arithmetic number, because the mean of its divisors is an integer number (20598480).

Almost surely, 2^109728214 is an apocalyptic number.

109728214 is a deficient number, since it is larger than the sum of its proper divisors (55059626).

109728214 is an equidigital number, since it uses as much as digits as its factorization.

109728214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65174.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 109728214 is about 10475.1235792233. The cubic root of 109728214 is about 478.7470418185.

The spelling of 109728214 in words is "one hundred nine million, seven hundred twenty-eight thousand, two hundred fourteen".