43102420135 has 16 divisors (see below), whose sum is σ = 52269598080. Its totient is φ = 34117926400.

The previous prime is 43102420117. The next prime is 43102420139. The reversal of 43102420135 is 53102420134.

It is not a de Polignac number, because 43102420135 - 2¹¹ = 43102418087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43102420139) 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 15 ways as a sum of consecutive naturals, for example, 756786 + ... + 811744.

It is an arithmetic number, because the mean of its divisors is an integer number (3266849880).

Almost surely, 2^43102420135 is an apocalyptic number.

43102420135 is a deficient number, since it is larger than the sum of its proper divisors (9167177945).

43102420135 is a wasteful number, since it uses less digits than its factorization.

43102420135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56618.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 43102420135 its reverse (53102420134), we get a palindrome (96204840269).

Subtracting 43102420135 from its reverse (53102420134), we obtain a palindrome (9999999999).

The spelling of 43102420135 in words is "forty-three billion, one hundred two million, four hundred twenty thousand, one hundred thirty-five".