135512233 has 8 divisors (see below), whose sum is σ = 140348160. Its totient is φ = 130757760.

The previous prime is 135512231. The next prime is 135512249. The reversal of 135512233 is 332215531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135512233 - 2¹ = 135512231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135512198 and 135512207.

It is not an unprimeable number, because it can be changed into a prime (135512231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16968 + ... + 23641.

It is an arithmetic number, because the mean of its divisors is an integer number (17543520).

Almost surely, 2^135512233 is an apocalyptic number.

It is an amenable number.

135512233 is a deficient number, since it is larger than the sum of its proper divisors (4835927).

135512233 is an equidigital number, since it uses as much as digits as its factorization.

135512233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40727.

The product of its digits is 2700, while the sum is 25.

The square root of 135512233 is about 11640.9721673063. The cubic root of 135512233 is about 513.6407844594.

Adding to 135512233 its reverse (332215531), we get a palindrome (467727764).

The spelling of 135512233 in words is "one hundred thirty-five million, five hundred twelve thousand, two hundred thirty-three".