340131405144 has 16 divisors (see below), whose sum is σ = 850328512920. Its totient is φ = 113377135040.

The previous prime is 340131405139. The next prime is 340131405151. The reversal of 340131405144 is 441504131043.

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, 7086070917 + ... + 7086070964.

Almost surely, 2^340131405144 is an apocalyptic number.

It is an amenable number.

340131405144 is an abundant number, since it is smaller than the sum of its proper divisors (510197107776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340131405144 is a wasteful number, since it uses less digits than its factorization.

340131405144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172141890 (or 14172141886 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 340131405144 its reverse (441504131043), we get a palindrome (781635536187).

The spelling of 340131405144 in words is "three hundred forty billion, one hundred thirty-one million, four hundred five thousand, one hundred forty-four".