133132268 has 6 divisors (see below), whose sum is σ = 232981476. Its totient is φ = 66566132.

The previous prime is 133132267. The next prime is 133132271. The reversal of 133132268 is 862231331.

It is a self number, because there is not a number n which added to its sum of digits gives 133132268.

It is not an unprimeable number, because it can be changed into a prime (133132267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16641530 + ... + 16641537.

It is an arithmetic number, because the mean of its divisors is an integer number (38830246).

Almost surely, 2^133132268 is an apocalyptic number.

It is an amenable number.

133132268 is a deficient number, since it is larger than the sum of its proper divisors (99849208).

133132268 is a wasteful number, since it uses less digits than its factorization.

133132268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33283071 (or 33283069 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 133132268 is about 11538.2957147059. The cubic root of 133132268 is about 510.6160286359.

Adding to 133132268 its reverse (862231331), we get a palindrome (995363599).

The spelling of 133132268 in words is "one hundred thirty-three million, one hundred thirty-two thousand, two hundred sixty-eight".