133883456 has 28 divisors (see below), whose sum is σ = 303629568. Its totient is φ = 57378432.

The previous prime is 133883423. The next prime is 133883461. The reversal of 133883456 is 654388331.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148976 + ... + 149871.

Almost surely, 2^133883456 is an apocalyptic number.

133883456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133883456 is an abundant number, since it is smaller than the sum of its proper divisors (169746112).

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

133883456 is an equidigital number, since it uses as much as digits as its factorization.

133883456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298866 (or 298856 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 133883456 is about 11570.8018736819. The cubic root of 133883456 is about 511.5745978186.

The spelling of 133883456 in words is "one hundred thirty-three million, eight hundred eighty-three thousand, four hundred fifty-six".