133301448 has 48 divisors (see below), whose sum is σ = 412601280. Its totient is φ = 38085984.

The previous prime is 133301423. The next prime is 133301453. The reversal of 133301448 is 844103331.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131740 + ... + 132747.

It is an arithmetic number, because the mean of its divisors is an integer number (8595860).

Almost surely, 2^133301448 is an apocalyptic number.

133301448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133301448 is an abundant number, since it is smaller than the sum of its proper divisors (279299832).

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

133301448 is a wasteful number, since it uses less digits than its factorization.

133301448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264506 (or 264499 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 133301448 is about 11545.6246258052. The cubic root of 133301448 is about 510.8322282963.

Adding to 133301448 its reverse (844103331), we get a palindrome (977404779).

The spelling of 133301448 in words is "one hundred thirty-three million, three hundred one thousand, four hundred forty-eight".