108140920 has 32 divisors (see below), whose sum is σ = 244127520. Its totient is φ = 43112320.

The previous prime is 108140911. The next prime is 108140957. The reversal of 108140920 is 29041801.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8094 + ... + 16786.

It is an arithmetic number, because the mean of its divisors is an integer number (7628985).

Almost surely, 2^108140920 is an apocalyptic number.

108140920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108140920 is an abundant number, since it is smaller than the sum of its proper divisors (135986600).

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

108140920 is a wasteful number, since it uses less digits than its factorization.

108140920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 108140920 is about 10399.0826518496. The cubic root of 108140920 is about 476.4273520095.

The spelling of 108140920 in words is "one hundred eight million, one hundred forty thousand, nine hundred twenty".