133751768 has 16 divisors (see below), whose sum is σ = 254221080. Its totient is φ = 65959488.

The previous prime is 133751759. The next prime is 133751789. The reversal of 133751768 is 867157331.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 113930 + ... + 115097.

Almost surely, 2^133751768 is an apocalyptic number.

It is an amenable number.

133751768 is a deficient number, since it is larger than the sum of its proper divisors (120469312).

133751768 is a wasteful number, since it uses less digits than its factorization.

133751768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229106 (or 229102 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 133751768 is about 11565.1099432733. The cubic root of 133751768 is about 511.4068142413.

The spelling of 133751768 in words is "one hundred thirty-three million, seven hundred fifty-one thousand, seven hundred sixty-eight".