133132144 has 20 divisors (see below), whose sum is σ = 261479296. Its totient is φ = 65653632.

The previous prime is 133132141. The next prime is 133132147. The reversal of 133132144 is 441231331.

It is an interprime number because it is at equal distance from previous prime (133132141) and next prime (133132147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133132141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55824 + ... + 58159.

Almost surely, 2^133132144 is an apocalyptic number.

It is an amenable number.

133132144 is a deficient number, since it is larger than the sum of its proper divisors (128347152).

133132144 is a wasteful number, since it uses less digits than its factorization.

133132144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114064 (or 114058 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 133132144 is about 11538.2903412941. The cubic root of 133132144 is about 510.6158701058.

Adding to 133132144 its reverse (441231331), we get a palindrome (574363475).

The spelling of 133132144 in words is "one hundred thirty-three million, one hundred thirty-two thousand, one hundred forty-four".