109235660 has 48 divisors (see below), whose sum is σ = 233446752. Its totient is φ = 42931200.

The previous prime is 109235653. The next prime is 109235669. The reversal of 109235660 is 66532901.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (109235669) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 453140 + ... + 453380.

It is an arithmetic number, because the mean of its divisors is an integer number (4863474).

Almost surely, 2^109235660 is an apocalyptic number.

109235660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109235660 is an abundant number, since it is smaller than the sum of its proper divisors (124211092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109235660 is a wasteful number, since it uses less digits than its factorization.

109235660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 109235660 is about 10451.5864824437. The cubic root of 109235660 is about 478.0296253296.

The spelling of 109235660 in words is "one hundred nine million, two hundred thirty-five thousand, six hundred sixty".