133304412 has 48 divisors (see below), whose sum is σ = 343671552. Its totient is φ = 40001280.

The previous prime is 133304411. The next prime is 133304419. The reversal of 133304412 is 214403331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133304411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9514 + ... + 18897.

It is an arithmetic number, because the mean of its divisors is an integer number (7159824).

Almost surely, 2^133304412 is an apocalyptic number.

133304412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133304412 is an abundant number, since it is smaller than the sum of its proper divisors (210367140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133304412 is a wasteful number, since it uses less digits than its factorization.

133304412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28458 (or 28456 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133304412 is about 11545.7529854055. The cubic root of 133304412 is about 510.8360144404.

Adding to 133304412 its reverse (214403331), we get a palindrome (347707743).

The spelling of 133304412 in words is "one hundred thirty-three million, three hundred four thousand, four hundred twelve".