2141278342 has 32 divisors (see below), whose sum is σ = 3768307200. Its totient is φ = 912146760.

The previous prime is 2141278309. The next prime is 2141278379. The reversal of 2141278342 is 2438721412.

It is a junction number, because it is equal to n+sod(n) for n = 2141278298 and 2141278307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105217 + ... + 123907.

It is an arithmetic number, because the mean of its divisors is an integer number (117759600).

Almost surely, 2^2141278342 is an apocalyptic number.

2141278342 is a deficient number, since it is larger than the sum of its proper divisors (1627028858).

2141278342 is a wasteful number, since it uses less digits than its factorization.

2141278342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18881 (or 18867 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 2141278342 is about 46273.9488481370. The cubic root of 2141278342 is about 1288.9152875087.

Adding to 2141278342 its reverse (2438721412), we get a palindrome (4579999754).

The spelling of 2141278342 in words is "two billion, one hundred forty-one million, two hundred seventy-eight thousand, three hundred forty-two".