133481464 has 16 divisors (see below), whose sum is σ = 250594920. Its totient is φ = 66656160.

The previous prime is 133481419. The next prime is 133481473. The reversal of 133481464 is 464184331.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3594 + ... + 16729.

Almost surely, 2^133481464 is an apocalyptic number.

It is an amenable number.

133481464 is a deficient number, since it is larger than the sum of its proper divisors (117113456).

133481464 is a wasteful number, since it uses less digits than its factorization.

133481464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21150 (or 21146 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 133481464 is about 11553.4178492773. The cubic root of 133481464 is about 511.0620747887.

The spelling of 133481464 in words is "one hundred thirty-three million, four hundred eighty-one thousand, four hundred sixty-four".