133264286 has 4 divisors (see below), whose sum is σ = 199896432. Its totient is φ = 66632142.

The previous prime is 133264283. The next prime is 133264289. The reversal of 133264286 is 682462331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (133264283) and next prime (133264289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133264283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33316070 + ... + 33316073.

It is an arithmetic number, because the mean of its divisors is an integer number (49974108).

Almost surely, 2^133264286 is an apocalyptic number.

133264286 is a deficient number, since it is larger than the sum of its proper divisors (66632146).

133264286 is an equidigital number, since it uses as much as digits as its factorization.

133264286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66632145.

The product of its digits is 41472, while the sum is 35.

The square root of 133264286 is about 11544.0151593802. The cubic root of 133264286 is about 510.7847536641.

The spelling of 133264286 in words is "one hundred thirty-three million, two hundred sixty-four thousand, two hundred eighty-six".