133147204 has 12 divisors (see below), whose sum is σ = 235626300. Its totient is φ = 65825408.

The previous prime is 133147187. The next prime is 133147211. The reversal of 133147204 is 402741331.

It can be written as a sum of positive squares in 2 ways, for example, as 11088900 + 122058304 = 3330^2 + 11048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186649 + ... + 187360.

It is an arithmetic number, because the mean of its divisors is an integer number (19635525).

Almost surely, 2^133147204 is an apocalyptic number.

It is an amenable number.

133147204 is a deficient number, since it is larger than the sum of its proper divisors (102479096).

133147204 is a wasteful number, since it uses less digits than its factorization.

133147204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374102 (or 374100 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 133147204 is about 11538.9429325220. The cubic root of 133147204 is about 510.6351231197.

Adding to 133147204 its reverse (402741331), we get a palindrome (535888535).

The spelling of 133147204 in words is "one hundred thirty-three million, one hundred forty-seven thousand, two hundred four".