108693140 has 24 divisors (see below), whose sum is σ = 233114112. Its totient is φ = 42551840.

The previous prime is 108693133. The next prime is 108693157. The reversal of 108693140 is 41396801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 108693097 and 108693106.

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, 56876 + ... + 58755.

It is an arithmetic number, because the mean of its divisors is an integer number (9713088).

Almost surely, 2^108693140 is an apocalyptic number.

108693140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108693140 is an abundant number, since it is smaller than the sum of its proper divisors (124420972).

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

108693140 is a wasteful number, since it uses less digits than its factorization.

108693140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115687 (or 115685 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 108693140 is about 10425.6002225292. The cubic root of 108693140 is about 477.2369319296.

The spelling of 108693140 in words is "one hundred eight million, six hundred ninety-three thousand, one hundred forty".