1340403102242 has 16 divisors (see below), whose sum is σ = 2021633151360. Its totient is φ = 666527484672.

The previous prime is 1340403102229. The next prime is 1340403102257. The reversal of 1340403102242 is 2422013040431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758003 + ... + 1804265.

It is an arithmetic number, because the mean of its divisors is an integer number (126352071960).

Almost surely, 2^{1340403102242} is an apocalyptic number.

1340403102242 is a deficient number, since it is larger than the sum of its proper divisors (681230049118).

1340403102242 is a wasteful number, since it uses less digits than its factorization.

1340403102242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049777.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1340403102242 its reverse (2422013040431), we get a palindrome (3762416142673).

The spelling of 1340403102242 in words is "one trillion, three hundred forty billion, four hundred three million, one hundred two thousand, two hundred forty-two".