43500140135 has 4 divisors (see below), whose sum is σ = 52200168168. Its totient is φ = 34800112104.

The previous prime is 43500140093. The next prime is 43500140161. The reversal of 43500140135 is 53104100534.

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-43500140135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350014009 + ... + 4350014018.

It is an arithmetic number, because the mean of its divisors is an integer number (13050042042).

Almost surely, 2^43500140135 is an apocalyptic number.

43500140135 is a deficient number, since it is larger than the sum of its proper divisors (8700028033).

43500140135 is an equidigital number, since it uses as much as digits as its factorization.

43500140135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700028032.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 43500140135 its reverse (53104100534), we get a palindrome (96604240669).

The spelling of 43500140135 in words is "forty-three billion, five hundred million, one hundred forty thousand, one hundred thirty-five".