133373144 has 8 divisors (see below), whose sum is σ = 250074660. Its totient is φ = 66686568.

The previous prime is 133373131. The next prime is 133373153. The reversal of 133373144 is 441373331.

It is a tau number, because it is divible by the number of its divisors (8).

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, 8335814 + ... + 8335829.

Almost surely, 2^133373144 is an apocalyptic number.

It is an amenable number.

133373144 is a deficient number, since it is larger than the sum of its proper divisors (116701516).

133373144 is a wasteful number, since it uses less digits than its factorization.

133373144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671649 (or 16671645 counting only the distinct ones).

The product of its digits is 9072, while the sum is 29.

The square root of 133373144 is about 11548.7291075685. The cubic root of 133373144 is about 510.9237953517.

The spelling of 133373144 in words is "one hundred thirty-three million, three hundred seventy-three thousand, one hundred forty-four".