135223340 has 36 divisors (see below), whose sum is σ = 330333696. Its totient is φ = 46361952.

The previous prime is 135223337. The next prime is 135223349. The reversal of 135223340 is 43322531.

It is not an unprimeable number, because it can be changed into a prime (135223349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68012 + ... + 69971.

It is an arithmetic number, because the mean of its divisors is an integer number (9175936).

Almost surely, 2^135223340 is an apocalyptic number.

135223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135223340 is an abundant number, since it is smaller than the sum of its proper divisors (195110356).

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

135223340 is a wasteful number, since it uses less digits than its factorization.

135223340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138006 (or 137997 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 135223340 is about 11628.5570901983. The cubic root of 135223340 is about 513.2755214968.

Adding to 135223340 its reverse (43322531), we get a palindrome (178545871).

The spelling of 135223340 in words is "one hundred thirty-five million, two hundred twenty-three thousand, three hundred forty".