135223330 has 32 divisors (see below), whose sum is σ = 272014848. Its totient is φ = 47971200.

The previous prime is 135223243. The next prime is 135223331. The reversal of 135223330 is 33322531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (135223331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10482 + ... + 19501.

It is an arithmetic number, because the mean of its divisors is an integer number (8500464).

Almost surely, 2^135223330 is an apocalyptic number.

135223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135223330 is an abundant number, since it is smaller than the sum of its proper divisors (136791518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135223330 is a wasteful number, since it uses less digits than its factorization.

135223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042.

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

The square root of 135223330 is about 11628.5566602223. The cubic root of 135223330 is about 513.2755088443.

Adding to 135223330 its reverse (33322531), we get a palindrome (168545861).

The spelling of 135223330 in words is "one hundred thirty-five million, two hundred twenty-three thousand, three hundred thirty".