133455768 has 32 divisors (see below), whose sum is σ = 335328000. Its totient is φ = 44260128.

The previous prime is 133455743. The next prime is 133455769. The reversal of 133455768 is 867554331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133455769) 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, 9196 + ... + 18747.

It is an arithmetic number, because the mean of its divisors is an integer number (10479000).

Almost surely, 2^133455768 is an apocalyptic number.

It is an amenable number.

133455768 is an abundant number, since it is smaller than the sum of its proper divisors (201872232).

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

133455768 is a wasteful number, since it uses less digits than its factorization.

133455768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151 (or 28147 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 133455768 is about 11552.3057438764. The cubic root of 133455768 is about 511.0292784901.

The spelling of 133455768 in words is "one hundred thirty-three million, four hundred fifty-five thousand, seven hundred sixty-eight".