133785054 has 32 divisors (see below), whose sum is σ = 320171040. Its totient is φ = 41164416.

The previous prime is 133785031. The next prime is 133785073. The reversal of 133785054 is 450587331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94587 + ... + 95990.

It is an arithmetic number, because the mean of its divisors is an integer number (10005345).

Almost surely, 2^133785054 is an apocalyptic number.

133785054 is an abundant number, since it is smaller than the sum of its proper divisors (186385986).

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

133785054 is a wasteful number, since it uses less digits than its factorization.

133785054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190601 (or 190595 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 133785054 is about 11566.5489235121. The cubic root of 133785054 is about 511.4492343044.

The spelling of 133785054 in words is "one hundred thirty-three million, seven hundred eighty-five thousand, fifty-four".