204002112134 has 8 divisors (see below), whose sum is σ = 306391992888. Its totient is φ = 101871447840.

The previous prime is 204002112133. The next prime is 204002112157. The reversal of 204002112134 is 431211200402.

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

It is a super-2 number, since 2×204002112134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002112133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64802147 + ... + 64805294.

It is an arithmetic number, because the mean of its divisors is an integer number (38298999111).

Almost surely, 2^204002112134 is an apocalyptic number.

204002112134 is a deficient number, since it is larger than the sum of its proper divisors (102389880754).

204002112134 is a wasteful number, since it uses less digits than its factorization.

204002112134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129608230.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 204002112134 its reverse (431211200402), we get a palindrome (635213312536).

The spelling of 204002112134 in words is "two hundred four billion, two million, one hundred twelve thousand, one hundred thirty-four".