109681548 has 12 divisors (see below), whose sum is σ = 255923640. Its totient is φ = 36560512.

The previous prime is 109681543. The next prime is 109681571. The reversal of 109681548 is 845186901.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (109681541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4570053 + ... + 4570076.

It is an arithmetic number, because the mean of its divisors is an integer number (21326970).

Almost surely, 2^109681548 is an apocalyptic number.

It is an amenable number.

109681548 is an abundant number, since it is smaller than the sum of its proper divisors (146242092).

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

109681548 is a wasteful number, since it uses less digits than its factorization.

109681548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140136 (or 9140134 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 109681548 is about 10472.8958745898. The cubic root of 109681548 is about 478.6791638726.

The spelling of 109681548 in words is "one hundred nine million, six hundred eighty-one thousand, five hundred forty-eight".