135413233 has 4 divisors (see below), whose sum is σ = 136934820. Its totient is φ = 133891648.

The previous prime is 135413227. The next prime is 135413237. The reversal of 135413233 is 332314531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58798224 + 76615009 = 7668^2 + 8753^2 .

It is a cyclic number.

It is not a de Polignac number, because 135413233 - 2¹³ = 135405041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135413198 and 135413207.

It is not an unprimeable number, because it can be changed into a prime (135413237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760660 + ... + 760837.

It is an arithmetic number, because the mean of its divisors is an integer number (34233705).

Almost surely, 2^135413233 is an apocalyptic number.

It is an amenable number.

135413233 is a deficient number, since it is larger than the sum of its proper divisors (1521587).

135413233 is an equidigital number, since it uses as much as digits as its factorization.

135413233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521586.

The product of its digits is 3240, while the sum is 25.

The square root of 135413233 is about 11636.7191682192. The cubic root of 135413233 is about 513.5156719519.

Adding to 135413233 its reverse (332314531), we get a palindrome (467727764).

The spelling of 135413233 in words is "one hundred thirty-five million, four hundred thirteen thousand, two hundred thirty-three".