133000312 has 16 divisors (see below), whose sum is σ = 249631200. Its totient is φ = 66432000.

The previous prime is 133000297. The next prime is 133000319. The reversal of 133000312 is 213000331.

It is a junction number, because it is equal to n+sod(n) for n = 133000292 and 133000301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312 + ... + 16312.

It is an arithmetic number, because the mean of its divisors is an integer number (15601950).

Almost surely, 2^133000312 is an apocalyptic number.

It is an amenable number.

133000312 is a deficient number, since it is larger than the sum of its proper divisors (116630888).

133000312 is a wasteful number, since it uses less digits than its factorization.

133000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17046 (or 17042 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133000312 is about 11532.5761215784. The cubic root of 133000312 is about 510.4472713463.

Adding to 133000312 its reverse (213000331), we get a palindrome (346000643).

The spelling of 133000312 in words is "one hundred thirty-three million, three hundred twelve", and thus it is an aban number.