133320420232144 has 10 divisors (see below), whose sum is σ = 258308314199810. Its totient is φ = 66660210116064.

The previous prime is 133320420232073. The next prime is 133320420232151. The reversal of 133320420232144 is 441232024023331.

It can be written as a sum of positive squares in only one way, i.e., 79372276628544 + 53948143603600 = 8909112^2 + 7344940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166263132239 + ... + 4166263132270.

It is an arithmetic number, because the mean of its divisors is an integer number (25830831419981).

Almost surely, 2^{133320420232144} is an apocalyptic number.

It is an amenable number.

133320420232144 is a deficient number, since it is larger than the sum of its proper divisors (124987893967666).

133320420232144 is an equidigital number, since it uses as much as digits as its factorization.

133320420232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332526264517 (or 8332526264511 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 133320420232144 its reverse (441232024023331), we get a palindrome (574552444255475).

The spelling of 133320420232144 in words is "one hundred thirty-three trillion, three hundred twenty billion, four hundred twenty million, two hundred thirty-two thousand, one hundred forty-four".