133406012 has 12 divisors (see below), whose sum is σ = 235727856. Its totient is φ = 66055200.

The previous prime is 133405999. The next prime is 133406023. The reversal of 133406012 is 210604331.

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, 161489 + ... + 162312.

It is an arithmetic number, because the mean of its divisors is an integer number (19643988).

Almost surely, 2^133406012 is an apocalyptic number.

It is an amenable number.

133406012 is a deficient number, since it is larger than the sum of its proper divisors (102321844).

133406012 is a wasteful number, since it uses less digits than its factorization.

133406012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323908 (or 323906 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133406012 is about 11550.1520336314. The cubic root of 133406012 is about 510.9657619813.

The spelling of 133406012 in words is "one hundred thirty-three million, four hundred six thousand, twelve".