43540130 has 16 divisors (see below), whose sum is σ = 78503040. Its totient is φ = 17386992.

The previous prime is 43540103. The next prime is 43540141. The reversal of 43540130 is 3104534.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (4906440).

Almost surely, 2^43540130 is an apocalyptic number.

43540130 is a deficient number, since it is larger than the sum of its proper divisors (34962910).

43540130 is a wasteful number, since it uses less digits than its factorization.

43540130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273.

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

The square root of 43540130 is about 6598.4945252686. The cubic root of 43540130 is about 351.8005983673.

Adding to 43540130 its reverse (3104534), we get a palindrome (46644664).

The spelling of 43540130 in words is "forty-three million, five hundred forty thousand, one hundred thirty".