202144134 has 8 divisors (see below), whose sum is σ = 404288280. Its totient is φ = 67381376.

The previous prime is 202144051. The next prime is 202144139. The reversal of 202144134 is 431441202.

It is a sphenic number, since it is the product of 3 distinct primes.

202144134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 202144134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202144139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16845339 + ... + 16845350.

It is an arithmetic number, because the mean of its divisors is an integer number (50536035).

Almost surely, 2^202144134 is an apocalyptic number.

202144134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202144134 is a wasteful number, since it uses less digits than its factorization.

202144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33690694.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 202144134 is about 14217.7401157849. The cubic root of 202144134 is about 586.8859523021.

Adding to 202144134 its reverse (431441202), we get a palindrome (633585336).

The spelling of 202144134 in words is "two hundred two million, one hundred forty-four thousand, one hundred thirty-four".