135533233 has 8 divisors (see below), whose sum is σ = 148798080. Its totient is φ = 122425680.

The previous prime is 135533191. The next prime is 135533263. The reversal of 135533233 is 332335531.

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 135533233 - 2²¹ = 133436081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135533263) 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, 37513 + ... + 40966.

It is an arithmetic number, because the mean of its divisors is an integer number (18599760).

Almost surely, 2^135533233 is an apocalyptic number.

It is an amenable number.

135533233 is a deficient number, since it is larger than the sum of its proper divisors (13264847).

135533233 is a wasteful number, since it uses less digits than its factorization.

135533233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78647.

The product of its digits is 12150, while the sum is 28.

The square root of 135533233 is about 11641.8741188865. The cubic root of 135533233 is about 513.6673156419.

Adding to 135533233 its reverse (332335531), we get a palindrome (467868764).

The spelling of 135533233 in words is "one hundred thirty-five million, five hundred thirty-three thousand, two hundred thirty-three".