133825065 has 32 divisors (see below), whose sum is σ = 234928512. Its totient is φ = 64512000.

The previous prime is 133825051. The next prime is 133825091. The reversal of 133825065 is 560528331.

It is not a de Polignac number, because 133825065 - 2⁶ = 133825001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27625 + ... + 32105.

It is an arithmetic number, because the mean of its divisors is an integer number (7341516).

Almost surely, 2^133825065 is an apocalyptic number.

133825065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133825065 is a deficient number, since it is larger than the sum of its proper divisors (101103447).

133825065 is a wasteful number, since it uses less digits than its factorization.

133825065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 133825065 is about 11568.2783939530. The cubic root of 133825065 is about 511.5002154741.

The spelling of 133825065 in words is "one hundred thirty-three million, eight hundred twenty-five thousand, sixty-five".