109097740 has 36 divisors (see below), whose sum is σ = 239558256. Its totient is φ = 41656032.

The previous prime is 109097731. The next prime is 109097759. The reversal of 109097740 is 47790901.

It is a self number, because there is not a number n which added to its sum of digits gives 109097740.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223777 + ... + 224263.

It is an arithmetic number, because the mean of its divisors is an integer number (6654396).

Almost surely, 2^109097740 is an apocalyptic number.

109097740 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 109097740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119779128).

109097740 is an abundant number, since it is smaller than the sum of its proper divisors (130460516).

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

109097740 is an equidigital number, since it uses as much as digits as its factorization.

109097740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 109097740 is about 10444.9863570998. The cubic root of 109097740 is about 477.8283552410.

The spelling of 109097740 in words is "one hundred nine million, ninety-seven thousand, seven hundred forty".