133303412 has 12 divisors (see below), whose sum is σ = 254488416. Its totient is φ = 60592440.

The previous prime is 133303381. The next prime is 133303439. The reversal of 133303412 is 214303331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514768 + ... + 1514855.

It is an arithmetic number, because the mean of its divisors is an integer number (21207368).

Almost surely, 2^133303412 is an apocalyptic number.

It is an amenable number.

133303412 is a deficient number, since it is larger than the sum of its proper divisors (121185004).

133303412 is a wasteful number, since it uses less digits than its factorization.

133303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029638 (or 3029636 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133303412 is about 11545.7096793571. The cubic root of 133303412 is about 510.8347370701.

Adding to 133303412 its reverse (214303331), we get a palindrome (347606743).

The spelling of 133303412 in words is "one hundred thirty-three million, three hundred three thousand, four hundred twelve".