133334668 has 6 divisors (see below), whose sum is σ = 233335676. Its totient is φ = 66667332.

The previous prime is 133334659. The next prime is 133334671. The reversal of 133334668 is 866433331.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16666830 + ... + 16666837.

Almost surely, 2^133334668 is an apocalyptic number.

It is an amenable number.

133334668 is a deficient number, since it is larger than the sum of its proper divisors (100001008).

133334668 is a wasteful number, since it uses less digits than its factorization.

133334668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333671 (or 33333669 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The square root of 133334668 is about 11547.0631764098. The cubic root of 133334668 is about 510.8746595361.

Adding to 133334668 its reverse (866433331), we get a palindrome (999767999).

The spelling of 133334668 in words is "one hundred thirty-three million, three hundred thirty-four thousand, six hundred sixty-eight".