135624228 has 48 divisors (see below), whose sum is σ = 329562240. Its totient is φ = 43372800.

The previous prime is 135624227. The next prime is 135624233. The reversal of 135624228 is 822426531.

It is not an unprimeable number, because it can be changed into a prime (135624227) 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 15 ways as a sum of consecutive naturals, for example, 27753 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (6865880).

Almost surely, 2^135624228 is an apocalyptic number.

It is an amenable number.

135624228 is an abundant number, since it is smaller than the sum of its proper divisors (193938012).

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

135624228 is a wasteful number, since it uses less digits than its factorization.

135624228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628 (or 4626 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 135624228 is about 11645.7815538503. The cubic root of 135624228 is about 513.7822461275.

The spelling of 135624228 in words is "one hundred thirty-five million, six hundred twenty-four thousand, two hundred twenty-eight".