220135134 has 16 divisors (see below), whose sum is σ = 443439360. Its totient is φ = 72850200.

The previous prime is 220135099. The next prime is 220135141. The reversal of 220135134 is 431531022.

It is a self number, because there is not a number n which added to its sum of digits gives 220135134.

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, 131142 + ... + 132809.

It is an arithmetic number, because the mean of its divisors is an integer number (27714960).

Almost surely, 2^220135134 is an apocalyptic number.

220135134 is an abundant number, since it is smaller than the sum of its proper divisors (223304226).

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

220135134 is a wasteful number, since it uses less digits than its factorization.

220135134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264095.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 220135134 is about 14836.9516410885. The cubic root of 220135134 is about 603.8046511661.

Adding to 220135134 its reverse (431531022), we get a palindrome (651666156).

The spelling of 220135134 in words is "two hundred twenty million, one hundred thirty-five thousand, one hundred thirty-four".