133960448 has 36 divisors (see below), whose sum is σ = 273940968. Its totient is φ = 65341440.

The previous prime is 133960433. The next prime is 133960471. The reversal of 133960448 is 844069331.

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, 4115 + ... + 16877.

Almost surely, 2^133960448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133960448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136970484).

133960448 is an abundant number, since it is smaller than the sum of its proper divisors (139980520).

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

133960448 is an equidigital number, since it uses as much as digits as its factorization.

133960448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820 (or 12806 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 133960448 is about 11574.1283905096. The cubic root of 133960448 is about 511.6726423043.

The spelling of 133960448 in words is "one hundred thirty-three million, nine hundred sixty thousand, four hundred forty-eight".