109319540 has 48 divisors (see below), whose sum is σ = 263632320. Its totient is φ = 37658880.

The previous prime is 109319519. The next prime is 109319543. The reversal of 109319540 is 45913901.

109319540 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

109319540 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 109319497 and 109319506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109319543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8897 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (5492340).

Almost surely, 2^109319540 is an apocalyptic number.

109319540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109319540 is an abundant number, since it is smaller than the sum of its proper divisors (154312780).

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

109319540 is a wasteful number, since it uses less digits than its factorization.

109319540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26192 (or 26190 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 109319540 is about 10455.5985003251. The cubic root of 109319540 is about 478.1519506645.

The spelling of 109319540 in words is "one hundred nine million, three hundred nineteen thousand, five hundred forty".