135430233 has 24 divisors (see below), whose sum is σ = 198900288. Its totient is φ = 81800928.

The previous prime is 135430231. The next prime is 135430277. The reversal of 135430233 is 332034531.

It is a happy number.

It is not a de Polignac number, because 135430233 - 2¹ = 135430231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135430231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22191 + ... + 27627.

It is an arithmetic number, because the mean of its divisors is an integer number (8287512).

Almost surely, 2^135430233 is an apocalyptic number.

It is an amenable number.

135430233 is a deficient number, since it is larger than the sum of its proper divisors (63470055).

135430233 is a wasteful number, since it uses less digits than its factorization.

135430233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501 (or 5482 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 135430233 is about 11637.4495917276. The cubic root of 135430233 is about 513.5371602534.

Adding to 135430233 its reverse (332034531), we get a palindrome (467464764).

The spelling of 135430233 in words is "one hundred thirty-five million, four hundred thirty thousand, two hundred thirty-three".