43140035 has 4 divisors (see below), whose sum is σ = 51768048. Its totient is φ = 34512024.

The previous prime is 43140011. The next prime is 43140037. The reversal of 43140035 is 53004134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43140035 is a prime.

It is a super-2 number, since 2×43140035² = 3722125239602450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43139989 and 43140016.

It is not an unprimeable number, because it can be changed into a prime (43140037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4313999 + ... + 4314008.

It is an arithmetic number, because the mean of its divisors is an integer number (12942012).

Almost surely, 2^43140035 is an apocalyptic number.

43140035 is a deficient number, since it is larger than the sum of its proper divisors (8628013).

43140035 is an equidigital number, since it uses as much as digits as its factorization.

43140035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628012.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43140035 is about 6568.1074138598. The cubic root of 43140035 is about 350.7197027390.

Adding to 43140035 its reverse (53004134), we get a palindrome (96144169).

The spelling of 43140035 in words is "forty-three million, one hundred forty thousand, thirty-five".