133450533 has 12 divisors (see below), whose sum is σ = 195639808. Its totient is φ = 87638760.

The previous prime is 133450529. The next prime is 133450549. The reversal of 133450533 is 335054331.

It is a happy number.

It is not a de Polignac number, because 133450533 - 2² = 133450529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133450497 and 133450506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133450523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110053 + ... + 111258.

Almost surely, 2^133450533 is an apocalyptic number.

It is an amenable number.

133450533 is a deficient number, since it is larger than the sum of its proper divisors (62189275).

133450533 is a wasteful number, since it uses less digits than its factorization.

133450533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221384 (or 221381 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 133450533 is about 11552.0791635099. The cubic root of 133450533 is about 511.0225964428.

The spelling of 133450533 in words is "one hundred thirty-three million, four hundred fifty thousand, five hundred thirty-three".