135032228 has 12 divisors (see below), whose sum is σ = 236648412. Its totient is φ = 67418400.

The previous prime is 135032213. The next prime is 135032243. The reversal of 135032228 is 822230531.

It is an interprime number because it is at equal distance from previous prime (135032213) and next prime (135032243).

It can be written as a sum of positive squares in 2 ways, for example, as 126517504 + 8514724 = 11248^2 + 2918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135032197 and 135032206.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21275 + ... + 26882.

It is an arithmetic number, because the mean of its divisors is an integer number (19720701).

Almost surely, 2^135032228 is an apocalyptic number.

It is an amenable number.

135032228 is a deficient number, since it is larger than the sum of its proper divisors (101616184).

135032228 is a wasteful number, since it uses less digits than its factorization.

135032228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48862 (or 48860 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 135032228 is about 11620.3368281647. The cubic root of 135032228 is about 513.0336023142.

Adding to 135032228 its reverse (822230531), we get a palindrome (957262759).

The spelling of 135032228 in words is "one hundred thirty-five million, thirty-two thousand, two hundred twenty-eight".