133490212 has 12 divisors (see below), whose sum is σ = 233690380. Its totient is φ = 66721536.

The previous prime is 133490131. The next prime is 133490221. The reversal of 133490212 is 212094331.

It can be written as a sum of positive squares in 2 ways, for example, as 74753316 + 58736896 = 8646^2 + 7664^2 .

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, 15388 + ... + 22444.

Almost surely, 2^133490212 is an apocalyptic number.

It is an amenable number.

133490212 is a deficient number, since it is larger than the sum of its proper divisors (100200168).

133490212 is a wasteful number, since it uses less digits than its factorization.

133490212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790 (or 11788 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 133490212 is about 11553.7964323421. The cubic root of 133490212 is about 511.0732390688.

The spelling of 133490212 in words is "one hundred thirty-three million, four hundred ninety thousand, two hundred twelve".