135523235 has 16 divisors (see below), whose sum is σ = 178135200. Its totient is φ = 98520576.

The previous prime is 135523187. The next prime is 135523247. The reversal of 135523235 is 532325531.

135523235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135523235 - 2¹⁴ = 135506851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 135523198 and 135523207.

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, 25025 + ... + 29954.

It is an arithmetic number, because the mean of its divisors is an integer number (11133450).

Almost surely, 2^135523235 is an apocalyptic number.

135523235 is a deficient number, since it is larger than the sum of its proper divisors (42611965).

135523235 is a wasteful number, since it uses less digits than its factorization.

135523235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55030.

The product of its digits is 13500, while the sum is 29.

The square root of 135523235 is about 11641.4447127494. Note that the first 3 decimals coincide. The cubic root of 135523235 is about 513.6546846141.

Adding to 135523235 its reverse (532325531), we get a palindrome (667848766).

The spelling of 135523235 in words is "one hundred thirty-five million, five hundred twenty-three thousand, two hundred thirty-five".