108617540 has 24 divisors (see below), whose sum is σ = 228312000. Its totient is φ = 43406048.

The previous prime is 108617513. The next prime is 108617543. The reversal of 108617540 is 45716801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 108617497 and 108617506.

It is not an unprimeable number, because it can be changed into a prime (108617543) 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, 28169 + ... + 31791.

It is an arithmetic number, because the mean of its divisors is an integer number (9513000).

Almost surely, 2^108617540 is an apocalyptic number.

108617540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108617540 is an abundant number, since it is smaller than the sum of its proper divisors (119694460).

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

108617540 is a wasteful number, since it uses less digits than its factorization.

108617540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 108617540 is about 10421.9739013298. The cubic root of 108617540 is about 477.1262610996.

The spelling of 108617540 in words is "one hundred eight million, six hundred seventeen thousand, five hundred forty".