133251327 has 12 divisors (see below), whose sum is σ = 209971944. Its totient is φ = 80758320.

The previous prime is 133251289. The next prime is 133251329. The reversal of 133251327 is 723152331.

133251327 is a `hidden beast` number, since 1 + 332 + 5 + 1 + 327 = 666.

It is not a de Polignac number, because 133251327 - 2⁶ = 133251263 is a prime.

It is a super-2 number, since 2×133251327² = 35511832294521858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133251327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133251329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672888 + ... + 673085.

It is an arithmetic number, because the mean of its divisors is an integer number (17497662).

Almost surely, 2^133251327 is an apocalyptic number.

133251327 is a deficient number, since it is larger than the sum of its proper divisors (76720617).

133251327 is a wasteful number, since it uses less digits than its factorization.

133251327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345990 (or 1345987 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 133251327 is about 11543.4538592226. The cubic root of 133251327 is about 510.7681964044.

The spelling of 133251327 in words is "one hundred thirty-three million, two hundred fifty-one thousand, three hundred twenty-seven".