135424020065 has 16 divisors (see below), whose sum is σ = 163935757440. Its totient is φ = 107391004800.

The previous prime is 135424020041. The next prime is 135424020071. The reversal of 135424020065 is 560020424531.

It is not a de Polignac number, because 135424020065 - 2¹⁰ = 135424019041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160541 + ... + 544629.

It is an arithmetic number, because the mean of its divisors is an integer number (10245984840).

Almost surely, 2^135424020065 is an apocalyptic number.

It is an amenable number.

135424020065 is a deficient number, since it is larger than the sum of its proper divisors (28511737375).

135424020065 is a wasteful number, since it uses less digits than its factorization.

135424020065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384712.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 135424020065 its reverse (560020424531), we get a palindrome (695444444596).

The spelling of 135424020065 in words is "one hundred thirty-five billion, four hundred twenty-four million, twenty thousand, sixty-five".