133776448 has 28 divisors (see below), whose sum is σ = 285884620. Its totient is φ = 61742592.

The previous prime is 133776443. The next prime is 133776457. The reversal of 133776448 is 844677331.

133776448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45265984 + 88510464 = 6728^2 + 9408^2 .

It is a super-2 number, since 2×133776448² = 35792276078993408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133776443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79563 + ... + 81226.

It is an arithmetic number, because the mean of its divisors is an integer number (10210165).

Almost surely, 2^133776448 is an apocalyptic number.

It is an amenable number.

133776448 is an abundant number, since it is smaller than the sum of its proper divisors (152108172).

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

133776448 is a wasteful number, since it uses less digits than its factorization.

133776448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160814 (or 160804 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 133776448 is about 11566.1768964511. The cubic root of 133776448 is about 511.4382673930.

The spelling of 133776448 in words is "one hundred thirty-three million, seven hundred seventy-six thousand, four hundred forty-eight".