133148 has 6 divisors (see below), whose sum is σ = 233016. Its totient is φ = 66572.

The previous prime is 133121. The next prime is 133153. The reversal of 133148 is 841331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

133148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16640 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (38836).

2¹³³¹⁴⁸ is an apocalyptic number.

It is an amenable number.

133148 is a deficient number, since it is larger than the sum of its proper divisors (99868).

133148 is a wasteful number, since it uses less digits than its factorization.

133148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33291 (or 33289 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 133148 is about 364.8945053026. The cubic root of 133148 is about 51.0636140702.

Adding to 133148 its reverse (841331), we get a palindrome (974479).

The spelling of 133148 in words is "one hundred thirty-three thousand, one hundred forty-eight".