43135113 has 32 divisors (see below), whose sum is σ = 67551232. Its totient is φ = 23976000.

The previous prime is 43135109. The next prime is 43135121. The reversal of 43135113 is 31153134.

It is not a de Polignac number, because 43135113 - 2² = 43135109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43135113.

It is not an unprimeable number, because it can be changed into a prime (43135123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193320 + ... + 193542.

It is an arithmetic number, because the mean of its divisors is an integer number (2110976).

Almost surely, 2^43135113 is an apocalyptic number.

It is an amenable number.

43135113 is a deficient number, since it is larger than the sum of its proper divisors (24416119).

43135113 is a wasteful number, since it uses less digits than its factorization.

43135113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 540, while the sum is 21.

The square root of 43135113 is about 6567.7327138062. The cubic root of 43135113 is about 350.7063639457.

Adding to 43135113 its reverse (31153134), we get a palindrome (74288247).

The spelling of 43135113 in words is "forty-three million, one hundred thirty-five thousand, one hundred thirteen".