200542134 has 32 divisors (see below), whose sum is σ = 446836320. Its totient is φ = 59576832.

The previous prime is 200542099. The next prime is 200542141. The reversal of 200542134 is 431245002.

It is a self number, because there is not a number n which added to its sum of digits gives 200542134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42067 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (13963635).

Almost surely, 2^200542134 is an apocalyptic number.

200542134 is an abundant number, since it is smaller than the sum of its proper divisors (246294186).

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

200542134 is a wasteful number, since it uses less digits than its factorization.

200542134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88704.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 200542134 is about 14161.2899836138. The cubic root of 200542134 is about 585.3314740622.

Adding to 200542134 its reverse (431245002), we get a palindrome (631787136).

The spelling of 200542134 in words is "two hundred million, five hundred forty-two thousand, one hundred thirty-four".