133023356132605 has 4 divisors (see below), whose sum is σ = 159628027359132. Its totient is φ = 106418684906080.

The previous prime is 133023356132599. The next prime is 133023356132701. The reversal of 133023356132605 is 506231653320331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31633177938244 + 101390178194361 = 5624338^2 + 10069269^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133023356132605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13302335613256 + ... + 13302335613265.

It is an arithmetic number, because the mean of its divisors is an integer number (39907006839783).

Almost surely, 2^{133023356132605} is an apocalyptic number.

It is an amenable number.

133023356132605 is a deficient number, since it is larger than the sum of its proper divisors (26604671226527).

133023356132605 is an equidigital number, since it uses as much as digits as its factorization.

133023356132605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26604671226526.

The product of its (nonzero) digits is 874800, while the sum is 43.

The spelling of 133023356132605 in words is "one hundred thirty-three trillion, twenty-three billion, three hundred fifty-six million, one hundred thirty-two thousand, six hundred five".