135214233 has 48 divisors (see below), whose sum is σ = 228802560. Its totient is φ = 69521760.

The previous prime is 135214223. The next prime is 135214237. The reversal of 135214233 is 332412531.

It is not a de Polignac number, because 135214233 - 2⁵ = 135214201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135214237) 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, 322498 + ... + 322916.

It is an arithmetic number, because the mean of its divisors is an integer number (4766720).

Almost surely, 2^135214233 is an apocalyptic number.

It is an amenable number.

135214233 is a deficient number, since it is larger than the sum of its proper divisors (93588327).

135214233 is a wasteful number, since it uses less digits than its factorization.

135214233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 567 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 135214233 is about 11628.1655044981. The cubic root of 135214233 is about 513.2639985720.

Adding to 135214233 its reverse (332412531), we get a palindrome (467626764).

The spelling of 135214233 in words is "one hundred thirty-five million, two hundred fourteen thousand, two hundred thirty-three".