133023163505536 has 32 divisors (see below), whose sum is σ = 265745264929200. Its totient is φ = 66326312699904.

The previous prime is 133023163505489. The next prime is 133023163505569. The reversal of 133023163505536 is 635505361320331.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1447368345 + ... + 1447460248.

Almost surely, 2^{133023163505536} is an apocalyptic number.

133023163505536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133023163505536 is a deficient number, since it is larger than the sum of its proper divisors (132722101423664).

133023163505536 is an equidigital number, since it uses as much as digits as its factorization.

133023163505536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894828966 (or 2894828954 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 46.

The spelling of 133023163505536 in words is "one hundred thirty-three trillion, twenty-three billion, one hundred sixty-three million, five hundred five thousand, five hundred thirty-six".