133632165 has 32 divisors (see below), whose sum is σ = 223257600. Its totient is φ = 68175360.

The previous prime is 133632157. The next prime is 133632167. The reversal of 133632165 is 561236331.

It is a happy number.

It is not a de Polignac number, because 133632165 - 2³ = 133632157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133632167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39771 + ... + 42999.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^133632165 is an apocalyptic number.

133632165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133632165 is a deficient number, since it is larger than the sum of its proper divisors (89625435).

133632165 is a wasteful number, since it uses less digits than its factorization.

133632165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its digits is 9720, while the sum is 30.

The square root of 133632165 is about 11559.9379323593. The cubic root of 133632165 is about 511.2543326928.

Adding to 133632165 its reverse (561236331), we get a palindrome (694868496).

The spelling of 133632165 in words is "one hundred thirty-three million, six hundred thirty-two thousand, one hundred sixty-five".