133021021433066 has 64 divisors (see below), whose sum is σ = 237481610486400. Its totient is φ = 55319244938496.

The previous prime is 133021021433057. The next prime is 133021021433087. The reversal of 133021021433066 is 660334120120331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68333345 + ... + 70253028.

It is an arithmetic number, because the mean of its divisors is an integer number (3710650163850).

Almost surely, 2^{133021021433066} is an apocalyptic number.

133021021433066 is a deficient number, since it is larger than the sum of its proper divisors (104460589053334).

133021021433066 is a wasteful number, since it uses less digits than its factorization.

133021021433066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138586503.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 133021021433066 its reverse (660334120120331), we get a palindrome (793355141553397).

The spelling of 133021021433066 in words is "one hundred thirty-three trillion, twenty-one billion, twenty-one million, four hundred thirty-three thousand, sixty-six".