135332023 has 4 divisors (see below), whose sum is σ = 141216048. Its totient is φ = 129448000.

The previous prime is 135332011. The next prime is 135332059. The reversal of 135332023 is 320233531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135332023 - 2²⁵ = 101777591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135331985 and 135332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135332083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2941978 + ... + 2942023.

It is an arithmetic number, because the mean of its divisors is an integer number (35304012).

Almost surely, 2^135332023 is an apocalyptic number.

135332023 is a deficient number, since it is larger than the sum of its proper divisors (5884025).

135332023 is an equidigital number, since it uses as much as digits as its factorization.

135332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884024.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 135332023 is about 11633.2292593243. The cubic root of 135332023 is about 513.4129962478.

Adding to 135332023 its reverse (320233531), we get a palindrome (455565554).

The spelling of 135332023 in words is "one hundred thirty-five million, three hundred thirty-two thousand, twenty-three".