2141728140342 has 24 divisors (see below), whose sum is σ = 4982796082296. Its totient is φ = 611922325728.

The previous prime is 2141728140341. The next prime is 2141728140361. The reversal of 2141728140342 is 2430418271412.

It is a self number, because there is not a number n which added to its sum of digits gives 2141728140342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141728140341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3642394503 + ... + 3642395090.

It is an arithmetic number, because the mean of its divisors is an integer number (207616503429).

Almost surely, 2^{2141728140342} is an apocalyptic number.

2141728140342 is an abundant number, since it is smaller than the sum of its proper divisors (2841067941954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141728140342 is a wasteful number, since it uses less digits than its factorization.

2141728140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284789612 (or 7284789605 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 2141728140342 in words is "two trillion, one hundred forty-one billion, seven hundred twenty-eight million, one hundred forty thousand, three hundred forty-two".