109309500 has 120 divisors (see below), whose sum is σ = 356756400. Its totient is φ = 29138400.

The previous prime is 109309481. The next prime is 109309513. The reversal of 109309500 is 5903901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39151 + ... + 41849.

It is an arithmetic number, because the mean of its divisors is an integer number (2972970).

Almost surely, 2^109309500 is an apocalyptic number.

109309500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109309500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178378200).

109309500 is an abundant number, since it is smaller than the sum of its proper divisors (247446900).

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

109309500 is a wasteful number, since it uses less digits than its factorization.

109309500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 109309500 is about 10455.1183637489. The cubic root of 109309500 is about 478.1373122550.

The spelling of 109309500 in words is "one hundred nine million, three hundred nine thousand, five hundred".