135823233 has 16 divisors (see below), whose sum is σ = 222889856. Its totient is φ = 71642880.

The previous prime is 135823223. The next prime is 135823241. The reversal of 135823233 is 332328531.

It is not a de Polignac number, because 135823233 - 2⁶ = 135823169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135823233.

It is not an unprimeable number, because it can be changed into a prime (135823223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248488 + ... + 249033.

It is an arithmetic number, because the mean of its divisors is an integer number (13930616).

Almost surely, 2^135823233 is an apocalyptic number.

135823233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135823233 is a deficient number, since it is larger than the sum of its proper divisors (87066623).

135823233 is a wasteful number, since it uses less digits than its factorization.

135823233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497544.

The product of its digits is 12960, while the sum is 30.

The square root of 135823233 is about 11654.3225028313. The cubic root of 135823233 is about 514.0334187218.

The spelling of 135823233 in words is "one hundred thirty-five million, eight hundred twenty-three thousand, two hundred thirty-three".