140344040342 has 36 divisors (see below), whose sum is σ = 232191929340. Its totient is φ = 63572992560.

The previous prime is 140344040299. The next prime is 140344040359. The reversal of 140344040342 is 243040443041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113454548 + ... + 113455784.

It is an arithmetic number, because the mean of its divisors is an integer number (6449775815).

Almost surely, 2^140344040342 is an apocalyptic number.

140344040342 is a deficient number, since it is larger than the sum of its proper divisors (91847888998).

140344040342 is an equidigital number, since it uses as much as digits as its factorization.

140344040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 140344040342 its reverse (243040443041), we get a palindrome (383384483383).

The spelling of 140344040342 in words is "one hundred forty billion, three hundred forty-four million, forty thousand, three hundred forty-two".