116540305 has 8 divisors (see below), whose sum is σ = 159826752. Its totient is φ = 79913328.

The previous prime is 116540267. The next prime is 116540311. The reversal of 116540305 is 503045611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116540305 - 2⁹ = 116539793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116540305.

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, 1664827 + ... + 1664896.

It is an arithmetic number, because the mean of its divisors is an integer number (19978344).

Almost surely, 2^116540305 is an apocalyptic number.

It is an amenable number.

116540305 is a deficient number, since it is larger than the sum of its proper divisors (43286447).

116540305 is an equidigital number, since it uses as much as digits as its factorization.

116540305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329735.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 116540305 is about 10795.3835040725. The cubic root of 116540305 is about 488.4559266450.

Adding to 116540305 its reverse (503045611), we get a palindrome (619585916).

The spelling of 116540305 in words is "one hundred sixteen million, five hundred forty thousand, three hundred five".