133532026131665 has 16 divisors (see below), whose sum is σ = 183135626435712. Its totient is φ = 91561822619904.

The previous prime is 133532026131649. The next prime is 133532026131677. The reversal of 133532026131665 is 566131620235331.

It is not a de Polignac number, because 133532026131665 - 2⁴ = 133532026131649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61316579 + ... + 63456968.

It is an arithmetic number, because the mean of its divisors is an integer number (11445976652232).

Almost surely, 2^{133532026131665} is an apocalyptic number.

It is an amenable number.

133532026131665 is a deficient number, since it is larger than the sum of its proper divisors (49603600304047).

133532026131665 is a wasteful number, since it uses less digits than its factorization.

133532026131665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124804136.

The product of its (nonzero) digits is 1749600, while the sum is 47.

Adding to 133532026131665 its reverse (566131620235331), we get a palindrome (699663646366996).

The spelling of 133532026131665 in words is "one hundred thirty-three trillion, five hundred thirty-two billion, twenty-six million, one hundred thirty-one thousand, six hundred sixty-five".