133268612 has 6 divisors (see below), whose sum is σ = 233220078. Its totient is φ = 66634304.

The previous prime is 133268609. The next prime is 133268651. The reversal of 133268612 is 216862331.

133268612 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 62473216 = 8414^2 + 7904^2 .

133268612 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16658573 + ... + 16658580.

It is an arithmetic number, because the mean of its divisors is an integer number (38870013).

Almost surely, 2^133268612 is an apocalyptic number.

It is an amenable number.

133268612 is a deficient number, since it is larger than the sum of its proper divisors (99951466).

133268612 is a wasteful number, since it uses less digits than its factorization.

133268612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33317157 (or 33317155 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 133268612 is about 11544.2025276760. The cubic root of 133268612 is about 510.7902806036.

The spelling of 133268612 in words is "one hundred thirty-three million, two hundred sixty-eight thousand, six hundred twelve".