202135134 has 32 divisors (see below), whose sum is σ = 429359616. Its totient is φ = 63221120.

The previous prime is 202135111. The next prime is 202135169. The reversal of 202135134 is 431531202.

It is a super-2 number, since 2×202135134² = 81717224794395912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202135134.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32539 + ... + 38249.

It is an arithmetic number, because the mean of its divisors is an integer number (13417488).

Almost surely, 2^202135134 is an apocalyptic number.

202135134 is an abundant number, since it is smaller than the sum of its proper divisors (227224482).

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

202135134 is a wasteful number, since it uses less digits than its factorization.

202135134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080.

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

The square root of 202135134 is about 14217.4236062657. The cubic root of 202135134 is about 586.8772422597.

Adding to 202135134 its reverse (431531202), we get a palindrome (633666336).

The spelling of 202135134 in words is "two hundred two million, one hundred thirty-five thousand, one hundred thirty-four".