108420540 has 48 divisors (see below), whose sum is σ = 310044672. Its totient is φ = 28296256.

The previous prime is 108420511. The next prime is 108420553. The reversal of 108420540 is 45024801.

It is a self number, because there is not a number n which added to its sum of digits gives 108420540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16404 + ... + 22043.

It is an arithmetic number, because the mean of its divisors is an integer number (6459264).

Almost surely, 2^108420540 is an apocalyptic number.

108420540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108420540 is an abundant number, since it is smaller than the sum of its proper divisors (201624132).

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

108420540 is a wasteful number, since it uses less digits than its factorization.

108420540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38506 (or 38504 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 108420540 is about 10412.5184273546. The cubic root of 108420540 is about 476.8376313613.

The spelling of 108420540 in words is "one hundred eight million, four hundred twenty thousand, five hundred forty".