1340402030342 has 8 divisors (see below), whose sum is σ = 2010687141000. Its totient is φ = 670172983344.

The previous prime is 1340402030333. The next prime is 1340402030413. The reversal of 1340402030342 is 2430302040431.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13956092 + ... + 14051807.

It is an arithmetic number, because the mean of its divisors is an integer number (251335892625).

Almost surely, 2^{1340402030342} is an apocalyptic number.

1340402030342 is a deficient number, since it is larger than the sum of its proper divisors (670285110658).

1340402030342 is a wasteful number, since it uses less digits than its factorization.

1340402030342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28031830.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1340402030342 its reverse (2430302040431), we get a palindrome (3770704070773).

The spelling of 1340402030342 in words is "one trillion, three hundred forty billion, four hundred two million, thirty thousand, three hundred forty-two".