109175940 has 72 divisors (see below), whose sum is σ = 345578688. Its totient is φ = 27846720.

The previous prime is 109175939. The next prime is 109175947. The reversal of 109175940 is 49571901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 109175895 and 109175904.

It is not an unprimeable number, because it can be changed into a prime (109175947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9046 + ... + 17325.

It is an arithmetic number, because the mean of its divisors is an integer number (4799704).

Almost surely, 2^109175940 is an apocalyptic number.

109175940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109175940 is an abundant number, since it is smaller than the sum of its proper divisors (236402748).

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

109175940 is a wasteful number, since it uses less digits than its factorization.

109175940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26409 (or 26404 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 109175940 is about 10448.7291093223. The cubic root of 109175940 is about 477.9424952560.

The spelling of 109175940 in words is "one hundred nine million, one hundred seventy-five thousand, nine hundred forty".