135330220 has 12 divisors (see below), whose sum is σ = 284193504. Its totient is φ = 54132080.

The previous prime is 135330199. The next prime is 135330227. The reversal of 135330220 is 22033531.

It is not an unprimeable number, because it can be changed into a prime (135330227) 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, 3383236 + ... + 3383275.

It is an arithmetic number, because the mean of its divisors is an integer number (23682792).

Almost surely, 2^135330220 is an apocalyptic number.

135330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135330220 is an abundant number, since it is smaller than the sum of its proper divisors (148863284).

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

135330220 is a wasteful number, since it uses less digits than its factorization.

135330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766520 (or 6766518 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 135330220 is about 11633.1517655363. The cubic root of 135330220 is about 513.4107162067.

Adding to 135330220 its reverse (22033531), we get a palindrome (157363751).

The spelling of 135330220 in words is "one hundred thirty-five million, three hundred thirty thousand, two hundred twenty".