43636113 has 12 divisors (see below), whose sum is σ = 63095760. Its totient is φ = 29060376.

The previous prime is 43636081. The next prime is 43636121. The reversal of 43636113 is 31163634.

43636113 is a `hidden beast` number, since 43 + 6 + 3 + 611 + 3 = 666.

43636113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43636113 - 2⁵ = 43636081 is a prime.

It is a super-2 number, since 2×43636113² = 3808220715497538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43636133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9658 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (5257980).

Almost surely, 2^43636113 is an apocalyptic number.

It is an amenable number.

43636113 is a deficient number, since it is larger than the sum of its proper divisors (19459647).

43636113 is a wasteful number, since it uses less digits than its factorization.

43636113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068 (or 5065 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 43636113 is about 6605.7636197490. The cubic root of 43636113 is about 352.0589201688.

Adding to 43636113 its reverse (31163634), we get a palindrome (74799747).

The spelling of 43636113 in words is "forty-three million, six hundred thirty-six thousand, one hundred thirteen".