108787140 has 288 divisors, whose sum is σ = 422682624. Its totient is φ = 21991680.

The previous prime is 108787117. The next prime is 108787157. The reversal of 108787140 is 41787801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 108787095 and 108787104.

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 95 ways as a sum of consecutive naturals, for example, 651337 + ... + 651503.

It is an arithmetic number, because the mean of its divisors is an integer number (1467648).

Almost surely, 2^108787140 is an apocalyptic number.

108787140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108787140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211341312).

108787140 is an abundant number, since it is smaller than the sum of its proper divisors (313895484).

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

108787140 is a wasteful number, since it uses less digits than its factorization.

108787140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 108787140 is about 10430.1073819976. The cubic root of 108787140 is about 477.3744669687.

The spelling of 108787140 in words is "one hundred eight million, seven hundred eighty-seven thousand, one hundred forty".