108540078 has 16 divisors (see below), whose sum is σ = 221176656. Its totient is φ = 35497280.

The previous prime is 108540071. The next prime is 108540097. The reversal of 108540078 is 870045801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108540071) 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 7 ways as a sum of consecutive naturals, for example, 170343 + ... + 170978.

It is an arithmetic number, because the mean of its divisors is an integer number (13823541).

Almost surely, 2^108540078 is an apocalyptic number.

108540078 is an abundant number, since it is smaller than the sum of its proper divisors (112636578).

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

108540078 is a wasteful number, since it uses less digits than its factorization.

108540078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341379.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 108540078 is about 10418.2569559404. The cubic root of 108540078 is about 477.0128112096.

Adding to 108540078 its reverse (870045801), we get a palindrome (978585879).

The spelling of 108540078 in words is "one hundred eight million, five hundred forty thousand, seventy-eight".