133555475468 has 6 divisors (see below), whose sum is σ = 233722082076. Its totient is φ = 66777737732.

The previous prime is 133555475441. The next prime is 133555475503. The reversal of 133555475468 is 864574555331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16694434430 + ... + 16694434437.

It is an arithmetic number, because the mean of its divisors is an integer number (38953680346).

Almost surely, 2^133555475468 is an apocalyptic number.

It is an amenable number.

133555475468 is a deficient number, since it is larger than the sum of its proper divisors (100166606608).

133555475468 is a wasteful number, since it uses less digits than its factorization.

133555475468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33388868871 (or 33388868869 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 56.

The spelling of 133555475468 in words is "one hundred thirty-three billion, five hundred fifty-five million, four hundred seventy-five thousand, four hundred sixty-eight".