135536220 has 48 divisors (see below), whose sum is σ = 421669920. Its totient is φ = 36142848.

The previous prime is 135536213. The next prime is 135536237. The reversal of 135536220 is 22635531.

135536220 is a `hidden beast` number, since 1 + 35 + 5 + 3 + 622 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 124957 + ... + 126036.

It is an arithmetic number, because the mean of its divisors is an integer number (8784790).

Almost surely, 2^135536220 is an apocalyptic number.

135536220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135536220 is an abundant number, since it is smaller than the sum of its proper divisors (286133700).

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

135536220 is a wasteful number, since it uses less digits than its factorization.

135536220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251011 (or 251003 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 135536220 is about 11642.0024050848. The cubic root of 135536220 is about 513.6710891641.

The spelling of 135536220 in words is "one hundred thirty-five million, five hundred thirty-six thousand, two hundred twenty".