133144134 has 32 divisors (see below), whose sum is σ = 281760000. Its totient is φ = 41827104.

The previous prime is 133144129. The next prime is 133144147. The reversal of 133144134 is 431441331.

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, 19752 + ... + 25620.

It is an arithmetic number, because the mean of its divisors is an integer number (8805000).

Almost surely, 2^133144134 is an apocalyptic number.

133144134 is an abundant number, since it is smaller than the sum of its proper divisors (148615866).

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

133144134 is a wasteful number, since it uses less digits than its factorization.

133144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092.

The product of its digits is 1728, while the sum is 24.

The square root of 133144134 is about 11538.8099039719. The cubic root of 133144134 is about 510.6311984863.

Adding to 133144134 its reverse (431441331), we get a palindrome (564585465).

The spelling of 133144134 in words is "one hundred thirty-three million, one hundred forty-four thousand, one hundred thirty-four".