133413866 has 8 divisors (see below), whose sum is σ = 200698560. Its totient is φ = 66514348.

The previous prime is 133413859. The next prime is 133413901. The reversal of 133413866 is 668314331.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 95426 + ... + 96813.

It is an arithmetic number, because the mean of its divisors is an integer number (25087320).

Almost surely, 2^133413866 is an apocalyptic number.

133413866 is a deficient number, since it is larger than the sum of its proper divisors (67284694).

133413866 is a wasteful number, since it uses less digits than its factorization.

133413866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192588.

The product of its digits is 31104, while the sum is 35.

The square root of 133413866 is about 11550.4920241520. The cubic root of 133413866 is about 510.9757891315.

The spelling of 133413866 in words is "one hundred thirty-three million, four hundred thirteen thousand, eight hundred sixty-six".