133063021 has 16 divisors (see below), whose sum is σ = 166461568. Its totient is φ = 103550400.

The previous prime is 133063003. The next prime is 133063043. The reversal of 133063021 is 120360331.

It is a cyclic number.

It is not a de Polignac number, because 133063021 - 2¹¹ = 133060973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133063021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133063001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6435 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (10403848).

Almost surely, 2^133063021 is an apocalyptic number.

It is an amenable number.

133063021 is a deficient number, since it is larger than the sum of its proper divisors (33398547).

133063021 is a wasteful number, since it uses less digits than its factorization.

133063021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24052.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133063021 is about 11535.2945779464. The cubic root of 133063021 is about 510.5274832094.

The spelling of 133063021 in words is "one hundred thirty-three million, sixty-three thousand, twenty-one".