133568025988 has 6 divisors (see below), whose sum is σ = 233744045486. Its totient is φ = 66784012992.

The previous prime is 133568025967. The next prime is 133568026037. The reversal of 133568025988 is 889520865331.

133568025988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133065907524 + 502118464 = 364782^2 + 22408^2 .

It is a super-2 number, since 2×133568025988² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16696003245 + ... + 16696003252.

Almost surely, 2^133568025988 is an apocalyptic number.

It is an amenable number.

133568025988 is a deficient number, since it is larger than the sum of its proper divisors (100176019498).

133568025988 is a wasteful number, since it uses less digits than its factorization.

133568025988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33392006501 (or 33392006499 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 133568025988 in words is "one hundred thirty-three billion, five hundred sixty-eight million, twenty-five thousand, nine hundred eighty-eight".