2140442312134 has 24 divisors (see below), whose sum is σ = 3954550685400. Its totient is φ = 863371688256.

The previous prime is 2140442312119. The next prime is 2140442312137. The reversal of 2140442312134 is 4312132440412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2140442312096 and 2140442312105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140442312137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642387984 + ... + 642391315.

It is an arithmetic number, because the mean of its divisors is an integer number (164772945225).

Almost surely, 2^{2140442312134} is an apocalyptic number.

2140442312134 is a deficient number, since it is larger than the sum of its proper divisors (1814108373266).

2140442312134 is a wasteful number, since it uses less digits than its factorization.

2140442312134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284779332 (or 1284779325 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2140442312134 its reverse (4312132440412), we get a palindrome (6452574752546).

The spelling of 2140442312134 in words is "two trillion, one hundred forty billion, four hundred forty-two million, three hundred twelve thousand, one hundred thirty-four".