135222030 has 24 divisors (see below), whose sum is σ = 351577512. Its totient is φ = 36059184.

The previous prime is 135222001. The next prime is 135222053. The reversal of 135222030 is 30222531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135221994 and 135222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751144 + ... + 751323.

It is an arithmetic number, because the mean of its divisors is an integer number (14649063).

Almost surely, 2^135222030 is an apocalyptic number.

135222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135222030 is an abundant number, since it is smaller than the sum of its proper divisors (216355482).

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

135222030 is a wasteful number, since it uses less digits than its factorization.

135222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502480 (or 1502477 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 135222030 is about 11628.5007632111. The cubic root of 135222030 is about 513.2738640090.

Adding to 135222030 its reverse (30222531), we get a palindrome (165444561).

The spelling of 135222030 in words is "one hundred thirty-five million, two hundred twenty-two thousand, thirty".