134220204 has 72 divisors (see below), whose sum is σ = 353353728. Its totient is φ = 42910560.

The previous prime is 134220193. The next prime is 134220211. The reversal of 134220204 is 402022431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141259 + ... + 142205.

Almost surely, 2^134220204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134220204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176676864).

134220204 is an abundant number, since it is smaller than the sum of its proper divisors (219133524).

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

134220204 is a wasteful number, since it uses less digits than its factorization.

134220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 134220204 is about 11585.3443625988. The cubic root of 134220204 is about 512.0031483774.

Adding to 134220204 its reverse (402022431), we get a palindrome (536242635).

The spelling of 134220204 in words is "one hundred thirty-four million, two hundred twenty thousand, two hundred four".