108308140 has 24 divisors (see below), whose sum is σ = 229243392. Its totient is φ = 42981120.

The previous prime is 108308119. The next prime is 108308143. The reversal of 108308140 is 41803801.

It is not an unprimeable number, because it can be changed into a prime (108308143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18781 + ... + 23860.

It is an arithmetic number, because the mean of its divisors is an integer number (9551808).

Almost surely, 2^108308140 is an apocalyptic number.

108308140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108308140 is an abundant number, since it is smaller than the sum of its proper divisors (120935252).

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

108308140 is a wasteful number, since it uses less digits than its factorization.

108308140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42777 (or 42775 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 108308140 is about 10407.1196783740. The cubic root of 108308140 is about 476.6727945702.

The spelling of 108308140 in words is "one hundred eight million, three hundred eight thousand, one hundred forty".