2134242231442 has 4 divisors (see below), whose sum is σ = 3201363347166. Its totient is φ = 1067121115720.

The previous prime is 2134242231419. The next prime is 2134242231449. The reversal of 2134242231442 is 2441322424312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2134056427281 + 185804161 = 1460841^2 + 13631^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2134242231398 and 2134242231407.

It is not an unprimeable number, because it can be changed into a prime (2134242231449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533560557859 + ... + 533560557862.

Almost surely, 2^{2134242231442} is an apocalyptic number.

2134242231442 is a deficient number, since it is larger than the sum of its proper divisors (1067121115724).

2134242231442 is a wasteful number, since it uses less digits than its factorization.

2134242231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067121115723.

The product of its digits is 73728, while the sum is 34.

Adding to 2134242231442 its reverse (2441322424312), we get a palindrome (4575564655754).

The spelling of 2134242231442 in words is "two trillion, one hundred thirty-four billion, two hundred forty-two million, two hundred thirty-one thousand, four hundred forty-two".