133316 has 6 divisors (see below), whose sum is σ = 233310. Its totient is φ = 66656.
The previous prime is 133303. The next prime is 133319. The reversal of 133316 is 613331.
It can be written as a sum of positive squares in only one way, i.e., 122500 + 10816 = 350^2 + 104^2 .
It is a plaindrome in base 9.
It is a junction number, because it is equal to n+sod(n) for n = 133294 and 133303.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 133316.
It is not an unprimeable number, because it can be changed into a prime (133319) by changing a digit.
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, 16661 + ... + 16668.
It is an arithmetic number, because the mean of its divisors is an integer number (38885).
2133316 is an apocalyptic number.
It is an amenable number.
133316 is a deficient number, since it is larger than the sum of its proper divisors (99994).
133316 is a wasteful number, since it uses less digits than its factorization.
133316 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33333 (or 33331 counting only the distinct ones).
The product of its digits is 162, while the sum is 17.
The square root of 133316 is about 365.1246362545. The cubic root of 133316 is about 51.0850816142.
Adding to 133316 its reverse (613331), we get a palindrome (746647).
The spelling of 133316 in words is "one hundred thirty-three thousand, three hundred sixteen".
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