133323868 has 6 divisors (see below), whose sum is σ = 233316776. Its totient is φ = 66661932.

The previous prime is 133323863. The next prime is 133323889. The reversal of 133323868 is 868323331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133323863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16665480 + ... + 16665487.

Almost surely, 2^133323868 is an apocalyptic number.

It is an amenable number.

133323868 is a deficient number, since it is larger than the sum of its proper divisors (99992908).

133323868 is a wasteful number, since it uses less digits than its factorization.

133323868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33330971 (or 33330969 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 133323868 is about 11546.5955155622. The cubic root of 133323868 is about 510.8608656859.

The spelling of 133323868 in words is "one hundred thirty-three million, three hundred twenty-three thousand, eight hundred sixty-eight".