133665332145 has 8 divisors (see below), whose sum is σ = 213864531456. Its totient is φ = 71288177136.

The previous prime is 133665332137. The next prime is 133665332161. The reversal of 133665332145 is 541233566331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133665332145 - 2³ = 133665332137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133665332097 and 133665332106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455511057 + ... + 4455511086.

It is an arithmetic number, because the mean of its divisors is an integer number (26733066432).

Almost surely, 2^133665332145 is an apocalyptic number.

133665332145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133665332145 is a deficient number, since it is larger than the sum of its proper divisors (80199199311).

133665332145 is an equidigital number, since it uses as much as digits as its factorization.

133665332145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8911022151.

The product of its digits is 583200, while the sum is 42.

Adding to 133665332145 its reverse (541233566331), we get a palindrome (674898898476).

The spelling of 133665332145 in words is "one hundred thirty-three billion, six hundred sixty-five million, three hundred thirty-two thousand, one hundred forty-five".