2140321341442 has 4 divisors (see below), whose sum is σ = 3210482012166. Its totient is φ = 1070160670720.

The previous prime is 2140321341397. The next prime is 2140321341449. The reversal of 2140321341442 is 2441431230412.

It is a happy number.

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., 1309104393921 + 831216947521 = 1144161^2 + 911711^2 .

It is not an unprimeable number, because it can be changed into a prime (2140321341449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535080335359 + ... + 535080335362.

Almost surely, 2^{2140321341442} is an apocalyptic number.

2140321341442 is a deficient number, since it is larger than the sum of its proper divisors (1070160670724).

2140321341442 is a wasteful number, since it uses less digits than its factorization.

2140321341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070160670723.

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

Adding to 2140321341442 its reverse (2441431230412), we get a palindrome (4581752571854).

The spelling of 2140321341442 in words is "two trillion, one hundred forty billion, three hundred twenty-one million, three hundred forty-one thousand, four hundred forty-two".