135030225 has 24 divisors (see below), whose sum is σ = 243546912. Its totient is φ = 65468800.

The previous prime is 135030221. The next prime is 135030227. The reversal of 135030225 is 522030531.

It is not a de Polignac number, because 135030225 - 2² = 135030221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135030221) 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 23 ways as a sum of consecutive naturals, for example, 81012 + ... + 82661.

It is an arithmetic number, because the mean of its divisors is an integer number (10147788).

Almost surely, 2^135030225 is an apocalyptic number.

135030225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135030225 is a deficient number, since it is larger than the sum of its proper divisors (108516687).

135030225 is a wasteful number, since it uses less digits than its factorization.

135030225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163697 (or 163692 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 135030225 is about 11620.2506427357. The cubic root of 135030225 is about 513.0310656077.

Adding to 135030225 its reverse (522030531), we get a palindrome (657060756).

The spelling of 135030225 in words is "one hundred thirty-five million, thirty thousand, two hundred twenty-five".