116728189 has 8 divisors (see below), whose sum is σ = 121262400. Its totient is φ = 112274400.

The previous prime is 116728181. The next prime is 116728201. The reversal of 116728189 is 981827611.

It is a happy number.

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

It is not a de Polignac number, because 116728189 - 2³ = 116728181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116728181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17139 + ... + 22960.

It is an arithmetic number, because the mean of its divisors is an integer number (15157800).

Almost surely, 2^116728189 is an apocalyptic number.

It is an amenable number.

116728189 is a deficient number, since it is larger than the sum of its proper divisors (4534211).

116728189 is an equidigital number, since it uses as much as digits as its factorization.

116728189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40211.

The product of its digits is 48384, while the sum is 43.

The square root of 116728189 is about 10804.0820526318. The cubic root of 116728189 is about 488.7182787392.

The spelling of 116728189 in words is "one hundred sixteen million, seven hundred twenty-eight thousand, one hundred eighty-nine".