133446016 has 32 divisors (see below), whose sum is σ = 290020680. Its totient is φ = 60656640.

The previous prime is 133446011. The next prime is 133446037. The reversal of 133446016 is 610644331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133446011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45981 + ... + 48796.

Almost surely, 2^133446016 is an apocalyptic number.

133446016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133446016 is an abundant number, since it is smaller than the sum of its proper divisors (156574664).

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

133446016 is an equidigital number, since it uses as much as digits as its factorization.

133446016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94802 (or 94790 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 133446016 is about 11551.8836559238. The cubic root of 133446016 is about 511.0168307231.

The spelling of 133446016 in words is "one hundred thirty-three million, four hundred forty-six thousand, sixteen".