2142042130 has 32 divisors (see below), whose sum is σ = 3956743728. Its totient is φ = 834432000.

The previous prime is 2142042107. The next prime is 2142042181. The reversal of 2142042130 is 312402412.

It can be written as a sum of positive squares in 8 ways, for example, as 239599441 + 1902442689 = 15479^2 + 43617^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142042098 and 2142042107.

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, 242064 + ... + 250756.

Almost surely, 2^2142042130 is an apocalyptic number.

2142042130 is a deficient number, since it is larger than the sum of its proper divisors (1814701598).

2142042130 is a wasteful number, since it uses less digits than its factorization.

2142042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9342.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142042130 is about 46282.2010064344. The cubic root of 2142042130 is about 1289.0685201178.

Adding to 2142042130 its reverse (312402412), we get a palindrome (2454444542).

The spelling of 2142042130 in words is "two billion, one hundred forty-two million, forty-two thousand, one hundred thirty".