133930312 has 16 divisors (see below), whose sum is σ = 253343340. Its totient is φ = 66372096.

The previous prime is 133930309. The next prime is 133930327. The reversal of 133930312 is 213039331.

It can be written as a sum of positive squares in 2 ways, for example, as 124233316 + 9696996 = 11146^2 + 3114^2 .

It is an unprimeable number.

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, 73173 + ... + 74980.

Almost surely, 2^133930312 is an apocalyptic number.

It is an amenable number.

133930312 is a deficient number, since it is larger than the sum of its proper divisors (119413028).

133930312 is a wasteful number, since it uses less digits than its factorization.

133930312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148272 (or 148268 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 133930312 is about 11572.8264481932. The cubic root of 133930312 is about 511.6342704728.

Adding to 133930312 its reverse (213039331), we get a palindrome (346969643).

The spelling of 133930312 in words is "one hundred thirty-three million, nine hundred thirty thousand, three hundred twelve".