202142200134 has 16 divisors (see below), whose sum is σ = 462039314688. Its totient is φ = 57754914312.

The previous prime is 202142200129. The next prime is 202142200151. The reversal of 202142200134 is 431002241202.

It is a super-2 number, since 2×202142200134² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 202142200134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2406454722 + ... + 2406454805.

It is an arithmetic number, because the mean of its divisors is an integer number (28877457168).

Almost surely, 2^202142200134 is an apocalyptic number.

202142200134 is an abundant number, since it is smaller than the sum of its proper divisors (259897114554).

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

202142200134 is a wasteful number, since it uses less digits than its factorization.

202142200134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812909539.

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

Adding to 202142200134 its reverse (431002241202), we get a palindrome (633144441336).

The spelling of 202142200134 in words is "two hundred two billion, one hundred forty-two million, two hundred thousand, one hundred thirty-four".