133481468 has 6 divisors (see below), whose sum is σ = 233592576. Its totient is φ = 66740732.

The previous prime is 133481419. The next prime is 133481473. The reversal of 133481468 is 864184331.

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, 16685180 + ... + 16685187.

It is an arithmetic number, because the mean of its divisors is an integer number (38932096).

Almost surely, 2^133481468 is an apocalyptic number.

It is an amenable number.

133481468 is a deficient number, since it is larger than the sum of its proper divisors (100111108).

133481468 is a wasteful number, since it uses less digits than its factorization.

133481468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370371 (or 33370369 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 133481468 is about 11553.4180223863. The cubic root of 133481468 is about 511.0620798936.

The spelling of 133481468 in words is "one hundred thirty-three million, four hundred eighty-one thousand, four hundred sixty-eight".