133286013 has 32 divisors (see below), whose sum is σ = 227232000. Its totient is φ = 75636288.

The previous prime is 133286011. The next prime is 133286053. The reversal of 133286013 is 310682331.

It is a happy number.

133286013 is a `hidden beast` number, since 1 + 33 + 28 + 601 + 3 = 666.

It is not a de Polignac number, because 133286013 - 2¹ = 133286011 is a prime.

It is a super-2 number, since 2×133286013² = 35530322522872338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133286011) 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 31 ways as a sum of consecutive naturals, for example, 25795 + ... + 30527.

It is an arithmetic number, because the mean of its divisors is an integer number (7101000).

Almost surely, 2^133286013 is an apocalyptic number.

It is an amenable number.

133286013 is a deficient number, since it is larger than the sum of its proper divisors (93945987).

133286013 is a wasteful number, since it uses less digits than its factorization.

133286013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898 (or 4892 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 133286013 is about 11544.9561714196. The cubic root of 133286013 is about 510.8125110816.

It can be divided in two parts, 133 and 286013, that added together give a triangular number (286146 = T₇₅₆).

The spelling of 133286013 in words is "one hundred thirty-three million, two hundred eighty-six thousand, thirteen".