133144304 has 10 divisors (see below), whose sum is σ = 257967120. Its totient is φ = 66572144.

The previous prime is 133144283. The next prime is 133144313. The reversal of 133144304 is 403441331.

It is a self number, because there is not a number n which added to its sum of digits gives 133144304.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4160744 + ... + 4160775.

It is an arithmetic number, because the mean of its divisors is an integer number (25796712).

Almost surely, 2^133144304 is an apocalyptic number.

It is an amenable number.

133144304 is a deficient number, since it is larger than the sum of its proper divisors (124822816).

133144304 is an equidigital number, since it uses as much as digits as its factorization.

133144304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321527 (or 8321521 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 133144304 is about 11538.8172704138. The cubic root of 133144304 is about 510.6314158129.

Adding to 133144304 its reverse (403441331), we get a palindrome (536585635).

The spelling of 133144304 in words is "one hundred thirty-three million, one hundred forty-four thousand, three hundred four".