204111134 has 8 divisors (see below), whose sum is σ = 306230520. Its totient is φ = 102034296.

The previous prime is 204111121. The next prime is 204111137. The reversal of 204111134 is 431111402.

It is a happy number.

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

It is a super-2 number, since 2×204111134² = 83322710045531912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204111137) 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, 7637 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (38278815).

Almost surely, 2^204111134 is an apocalyptic number.

204111134 is a deficient number, since it is larger than the sum of its proper divisors (102119386).

204111134 is a wasteful number, since it uses less digits than its factorization.

204111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21274.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 204111134 is about 14286.7467955445. The cubic root of 204111134 is about 588.7834109386.

Adding to 204111134 its reverse (431111402), we get a palindrome (635222536).

The spelling of 204111134 in words is "two hundred four million, one hundred eleven thousand, one hundred thirty-four".