202134034434 has 16 divisors (see below), whose sum is σ = 406384657920. Its totient is φ = 67025246640.

The previous prime is 202134034433. The next prime is 202134034469. The reversal of 202134034434 is 434430431202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202134034433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88189969 + ... + 88192260.

It is an arithmetic number, because the mean of its divisors is an integer number (25399041120).

Almost surely, 2^202134034434 is an apocalyptic number.

202134034434 is an abundant number, since it is smaller than the sum of its proper divisors (204250623486).

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

202134034434 is a wasteful number, since it uses less digits than its factorization.

202134034434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176382425.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 202134034434 its reverse (434430431202), we get a palindrome (636564465636).

The spelling of 202134034434 in words is "two hundred two billion, one hundred thirty-four million, thirty-four thousand, four hundred thirty-four".