133086768 has 40 divisors (see below), whose sum is σ = 344222016. Its totient is φ = 44308800.

The previous prime is 133086757. The next prime is 133086769. The reversal of 133086768 is 867680331.

It is a super-4 number, since 4×133086768⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (133086769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 72583 + ... + 74393.

Almost surely, 2^133086768 is an apocalyptic number.

It is an amenable number.

133086768 is an abundant number, since it is smaller than the sum of its proper divisors (211135248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133086768 is a wasteful number, since it uses less digits than its factorization.

133086768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 133086768 is about 11536.3238512101. The cubic root of 133086768 is about 510.5578517143.

The spelling of 133086768 in words is "one hundred thirty-three million, eighty-six thousand, seven hundred sixty-eight".