135528180 has 24 divisors (see below), whose sum is σ = 379479072. Its totient is φ = 36140832.

The previous prime is 135528157. The next prime is 135528227. The reversal of 135528180 is 81825531.

It is a happy number.

It is a super-2 number, since 2×135528180² = 36735775148224800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129342 + ... + 1129461.

It is an arithmetic number, because the mean of its divisors is an integer number (15811628).

Almost surely, 2^135528180 is an apocalyptic number.

135528180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135528180 is an abundant number, since it is smaller than the sum of its proper divisors (243950892).

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

135528180 is a wasteful number, since it uses less digits than its factorization.

135528180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258815 (or 2258813 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 135528180 is about 11641.6570985406. The cubic root of 135528180 is about 513.6609319844.

The spelling of 135528180 in words is "one hundred thirty-five million, five hundred twenty-eight thousand, one hundred eighty".