236142565135 has 4 divisors (see below), whose sum is σ = 283371078168. Its totient is φ = 188914052104.

The previous prime is 236142565133. The next prime is 236142565177. The reversal of 236142565135 is 531565241632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 236142565135 - 2¹ = 236142565133 is a prime.

It is a super-2 number, since 2×236142565135² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 236142565091 and 236142565100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236142565133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23614256509 + ... + 23614256518.

It is an arithmetic number, because the mean of its divisors is an integer number (70842769542).

Almost surely, 2^236142565135 is an apocalyptic number.

236142565135 is a deficient number, since it is larger than the sum of its proper divisors (47228513033).

236142565135 is an equidigital number, since it uses as much as digits as its factorization.

236142565135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47228513032.

The product of its digits is 648000, while the sum is 43.

The spelling of 236142565135 in words is "two hundred thirty-six billion, one hundred forty-two million, five hundred sixty-five thousand, one hundred thirty-five".