133320412 has 12 divisors (see below), whose sum is σ = 237265560. Its totient is φ = 65530256.

The previous prime is 133320371. The next prime is 133320427. The reversal of 133320412 is 214023331.

It is a self number, because there is not a number n which added to its sum of digits gives 133320412.

It is a congruent number.

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, 282223 + ... + 282694.

It is an arithmetic number, because the mean of its divisors is an integer number (19772130).

Almost surely, 2^133320412 is an apocalyptic number.

It is an amenable number.

133320412 is a deficient number, since it is larger than the sum of its proper divisors (103945148).

133320412 is a wasteful number, since it uses less digits than its factorization.

133320412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564980 (or 564978 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133320412 is about 11546.4458600905. The cubic root of 133320412 is about 510.8564514966.

Adding to 133320412 its reverse (214023331), we get a palindrome (347343743).

The spelling of 133320412 in words is "one hundred thirty-three million, three hundred twenty thousand, four hundred twelve".