542144351221133 has 16 divisors (see below), whose sum is σ = 555749054547120. Its totient is φ = 528557947276800.

The previous prime is 542144351221129. The next prime is 542144351221153. The reversal of 542144351221133 is 331122153441245.

It can be written as a sum of positive squares in 8 ways, for example, as 150971032498729 + 391173318722404 = 12287027^2 + 19778102^2 .

It is a cyclic number.

It is not a de Polignac number, because 542144351221133 - 2² = 542144351221129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542144351221153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348616691 + ... + 350168367.

It is an arithmetic number, because the mean of its divisors is an integer number (34734315909195).

Almost surely, 2^{542144351221133} is an apocalyptic number.

It is an amenable number.

542144351221133 is a deficient number, since it is larger than the sum of its proper divisors (13604703325987).

542144351221133 is a wasteful number, since it uses less digits than its factorization.

542144351221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557568.

The product of its digits is 345600, while the sum is 41.

The spelling of 542144351221133 in words is "five hundred forty-two trillion, one hundred forty-four billion, three hundred fifty-one million, two hundred twenty-one thousand, one hundred thirty-three".