133021011000446 has 4 divisors (see below), whose sum is σ = 199531516500672. Its totient is φ = 66510505500222.

The previous prime is 133021011000431. The next prime is 133021011000457. The reversal of 133021011000446 is 644000110120331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 33255252750110 + ... + 33255252750113.

It is an arithmetic number, because the mean of its divisors is an integer number (49882879125168).

Almost surely, 2^{133021011000446} is an apocalyptic number.

133021011000446 is a deficient number, since it is larger than the sum of its proper divisors (66510505500226).

133021011000446 is an equidigital number, since it uses as much as digits as its factorization.

133021011000446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66510505500225.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 133021011000446 its reverse (644000110120331), we get a palindrome (777021121120777).

The spelling of 133021011000446 in words is "one hundred thirty-three trillion, twenty-one billion, eleven million, four hundred forty-six", and thus it is an aban number.