133126612 has 12 divisors (see below), whose sum is σ = 233059680. Its totient is φ = 66538136.

The previous prime is 133126589. The next prime is 133126627. The reversal of 133126612 is 216621331.

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, 10713 + ... + 19519.

It is an arithmetic number, because the mean of its divisors is an integer number (19421640).

Almost surely, 2^133126612 is an apocalyptic number.

It is an amenable number.

133126612 is a deficient number, since it is larger than the sum of its proper divisors (99933068).

133126612 is a wasteful number, since it uses less digits than its factorization.

133126612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590 (or 12588 counting only the distinct ones).

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

The square root of 133126612 is about 11538.0506152469. The cubic root of 133126612 is about 510.6087975185.

Adding to 133126612 its reverse (216621331), we get a palindrome (349747943).

The spelling of 133126612 in words is "one hundred thirty-three million, one hundred twenty-six thousand, six hundred twelve".