43542800135 has 4 divisors (see below), whose sum is σ = 52251360168. Its totient is φ = 34834240104.

The previous prime is 43542800131. The next prime is 43542800141. The reversal of 43542800135 is 53100824534.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53100824534 = 2 ⋅26550412267.

It is a cyclic number.

It is not a de Polignac number, because 43542800135 - 2² = 43542800131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43542800095 and 43542800104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43542800131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4354280009 + ... + 4354280018.

It is an arithmetic number, because the mean of its divisors is an integer number (13062840042).

Almost surely, 2^43542800135 is an apocalyptic number.

43542800135 is a deficient number, since it is larger than the sum of its proper divisors (8708560033).

43542800135 is an equidigital number, since it uses as much as digits as its factorization.

43542800135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708560032.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 43542800135 in words is "forty-three billion, five hundred forty-two million, eight hundred thousand, one hundred thirty-five".