135522200 has 96 divisors (see below), whose sum is σ = 346518000. Its totient is φ = 48883200.

The previous prime is 135522161. The next prime is 135522203. The reversal of 135522200 is 2225531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135522203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503666 + ... + 503934.

Almost surely, 2^135522200 is an apocalyptic number.

135522200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135522200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173259000).

135522200 is an abundant number, since it is smaller than the sum of its proper divisors (210995800).

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

135522200 is a wasteful number, since it uses less digits than its factorization.

135522200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 135522200 is about 11641.4002594190. The cubic root of 135522200 is about 513.6533770057.

Adding to 135522200 its reverse (2225531), we get a palindrome (137747731).

The spelling of 135522200 in words is "one hundred thirty-five million, five hundred twenty-two thousand, two hundred".