135234235161 has 6 divisors (see below), whose sum is σ = 195338339690. Its totient is φ = 90156156768.

The previous prime is 135234235109. The next prime is 135234235183. The reversal of 135234235161 is 161532432531.

135234235161 is a `hidden beast` number, since 1 + 3 + 523 + 4 + 23 + 51 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115230375936 + 20003859225 = 339456^2 + 141435^2 .

It is not a de Polignac number, because 135234235161 - 2¹³ = 135234226969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135234235361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7513013056 + ... + 7513013073.

Almost surely, 2^135234235161 is an apocalyptic number.

It is an amenable number.

135234235161 is a deficient number, since it is larger than the sum of its proper divisors (60104104529).

135234235161 is a wasteful number, since it uses less digits than its factorization.

135234235161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15026026135 (or 15026026132 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 135234235161 its reverse (161532432531), we get a palindrome (296766667692).

The spelling of 135234235161 in words is "one hundred thirty-five billion, two hundred thirty-four million, two hundred thirty-five thousand, one hundred sixty-one".