133505048 has 16 divisors (see below), whose sum is σ = 251621880. Its totient is φ = 66405888.

The previous prime is 133505033. The next prime is 133505069. The reversal of 133505048 is 840505331.

133505048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 133505048.

It is a congruent number.

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, 41690 + ... + 44777.

Almost surely, 2^133505048 is an apocalyptic number.

It is an amenable number.

133505048 is a deficient number, since it is larger than the sum of its proper divisors (118116832).

133505048 is a wasteful number, since it uses less digits than its factorization.

133505048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86666 (or 86662 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 133505048 is about 11554.4384545507. The cubic root of 133505048 is about 511.0921717970.

The spelling of 133505048 in words is "one hundred thirty-three million, five hundred five thousand, forty-eight".