135109233 has 48 divisors (see below), whose sum is σ = 229232640. Its totient is φ = 75092832.

The previous prime is 135109223. The next prime is 135109283. The reversal of 135109233 is 332901531.

It is a happy number.

It is not a de Polignac number, because 135109233 - 2⁵ = 135109201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135109197 and 135109206.

It is not an unprimeable number, because it can be changed into a prime (135109223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 605760 + ... + 605982.

It is an arithmetic number, because the mean of its divisors is an integer number (4775680).

Almost surely, 2^135109233 is an apocalyptic number.

It is an amenable number.

135109233 is a deficient number, since it is larger than the sum of its proper divisors (94123407).

135109233 is a wasteful number, since it uses less digits than its factorization.

135109233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 135109233 is about 11623.6497280329. The cubic root of 135109233 is about 513.1311065564.

The spelling of 135109233 in words is "one hundred thirty-five million, one hundred nine thousand, two hundred thirty-three".