133212040144 has 20 divisors (see below), whose sum is σ = 260998311780. Its totient is φ = 65857637120.

The previous prime is 133212040127. The next prime is 133212040187. The reversal of 133212040144 is 441040212331.

It can be written as a sum of positive squares in 2 ways, for example, as 49755763600 + 83456276544 = 223060^2 + 288888^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46772467 + ... + 46775314.

It is an arithmetic number, because the mean of its divisors is an integer number (13049915589).

Almost surely, 2^133212040144 is an apocalyptic number.

It is an amenable number.

133212040144 is a deficient number, since it is larger than the sum of its proper divisors (127786271636).

133212040144 is an equidigital number, since it uses as much as digits as its factorization.

133212040144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93547878 (or 93547872 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 133212040144 its reverse (441040212331), we get a palindrome (574252252475).

The spelling of 133212040144 in words is "one hundred thirty-three billion, two hundred twelve million, forty thousand, one hundred forty-four".