133472866 has 8 divisors (see below), whose sum is σ = 200523564. Its totient is φ = 66631680.

The previous prime is 133472861. The next prime is 133472893. The reversal of 133472866 is 668274331.

It can be written as a sum of positive squares in 2 ways, for example, as 132917841 + 555025 = 11529^2 + 745^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133472861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50775 + ... + 53338.

Almost surely, 2^133472866 is an apocalyptic number.

133472866 is a deficient number, since it is larger than the sum of its proper divisors (67050698).

133472866 is a wasteful number, since it uses less digits than its factorization.

133472866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104756.

The product of its digits is 145152, while the sum is 40.

The square root of 133472866 is about 11553.0457456032. The cubic root of 133472866 is about 511.0511014646.

The spelling of 133472866 in words is "one hundred thirty-three million, four hundred seventy-two thousand, eight hundred sixty-six".