109745388 has 48 divisors (see below), whose sum is σ = 287370720. Its totient is φ = 36216000.

The previous prime is 109745371. The next prime is 109745407. The reversal of 109745388 is 883547901.

109745388 is a `hidden beast` number, since 109 + 7 + 4 + 538 + 8 = 666.

It is an unprimeable number.

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, 5878 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (5986890).

Almost surely, 2^109745388 is an apocalyptic number.

109745388 is a gapful number since it is divisible by the number (18) 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 109745388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143685360).

109745388 is an abundant number, since it is smaller than the sum of its proper divisors (177625332).

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

109745388 is a wasteful number, since it uses less digits than its factorization.

109745388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175 (or 10167 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 109745388 is about 10475.9432988156. The cubic root of 109745388 is about 478.7720173846.

The spelling of 109745388 in words is "one hundred nine million, seven hundred forty-five thousand, three hundred eighty-eight".