133010865 has 48 divisors (see below), whose sum is σ = 249500160. Its totient is φ = 65162880.

The previous prime is 133010861. The next prime is 133010869. The reversal of 133010865 is 568010331.

It is an interprime number because it is at equal distance from previous prime (133010861) and next prime (133010869).

It is not a de Polignac number, because 133010865 - 2² = 133010861 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133010861) 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 47 ways as a sum of consecutive naturals, for example, 158116 + ... + 158954.

It is an arithmetic number, because the mean of its divisors is an integer number (5197920).

Almost surely, 2^133010865 is an apocalyptic number.

133010865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133010865 is a deficient number, since it is larger than the sum of its proper divisors (116489295).

133010865 is a wasteful number, since it uses less digits than its factorization.

133010865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 133010865 is about 11533.0336425418. The cubic root of 133010865 is about 510.4607715842.

The spelling of 133010865 in words is "one hundred thirty-three million, ten thousand, eight hundred sixty-five".