133453648 has 10 divisors (see below), whose sum is σ = 258566474. Its totient is φ = 66726816.

The previous prime is 133453627. The next prime is 133453651. The reversal of 133453648 is 846354331.

It can be written as a sum of positive squares in only one way, i.e., 133356304 + 97344 = 11548^2 + 312^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170411 + ... + 4170442.

Almost surely, 2^133453648 is an apocalyptic number.

It is an amenable number.

133453648 is a deficient number, since it is larger than the sum of its proper divisors (125112826).

133453648 is an equidigital number, since it uses as much as digits as its factorization.

133453648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340861 (or 8340855 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 133453648 is about 11552.2139869377. The cubic root of 133453648 is about 511.0265725054.

The spelling of 133453648 in words is "one hundred thirty-three million, four hundred fifty-three thousand, six hundred forty-eight".