1340102440142 has 8 divisors (see below), whose sum is σ = 2010200889816. Its totient is φ = 670035476872.

The previous prime is 1340102440057. The next prime is 1340102440177. The reversal of 1340102440142 is 2410442010431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7764908 + ... + 7935615.

It is an arithmetic number, because the mean of its divisors is an integer number (251275111227).

Almost surely, 2^{1340102440142} is an apocalyptic number.

1340102440142 is a deficient number, since it is larger than the sum of its proper divisors (670098449674).

1340102440142 is a wasteful number, since it uses less digits than its factorization.

1340102440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743202.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1340102440142 its reverse (2410442010431), we get a palindrome (3750544450573).

The spelling of 1340102440142 in words is "one trillion, three hundred forty billion, one hundred two million, four hundred forty thousand, one hundred forty-two".