135233243 has 8 divisors (see below), whose sum is σ = 136810560. Its totient is φ = 133660800.

The previous prime is 135233213. The next prime is 135233257. The reversal of 135233243 is 342332531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135233243 - 2⁶ = 135233179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135233213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101246 + ... + 102572.

It is an arithmetic number, because the mean of its divisors is an integer number (17101320).

Almost surely, 2^135233243 is an apocalyptic number.

135233243 is a deficient number, since it is larger than the sum of its proper divisors (1577317).

135233243 is a wasteful number, since it uses less digits than its factorization.

135233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437.

The product of its digits is 6480, while the sum is 26.

The square root of 135233243 is about 11628.9828875960. The cubic root of 135233243 is about 513.2880509990.

Adding to 135233243 its reverse (342332531), we get a palindrome (477565774).

The spelling of 135233243 in words is "one hundred thirty-five million, two hundred thirty-three thousand, two hundred forty-three".