340005141421 has 24 divisors (see below), whose sum is σ = 380586563136. Its totient is φ = 301183467840.

The previous prime is 340005141349. The next prime is 340005141457. The reversal of 340005141421 is 124141500043.

It is not a de Polignac number, because 340005141421 - 2²⁹ = 339468270509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340005148421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5501136 + ... + 5562598.

It is an arithmetic number, because the mean of its divisors is an integer number (15857773464).

Almost surely, 2^340005141421 is an apocalyptic number.

It is an amenable number.

340005141421 is a deficient number, since it is larger than the sum of its proper divisors (40581421715).

340005141421 is an equidigital number, since it uses as much as digits as its factorization.

340005141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61713 (or 61630 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 340005141421 its reverse (124141500043), we get a palindrome (464146641464).

The spelling of 340005141421 in words is "three hundred forty billion, five million, one hundred forty-one thousand, four hundred twenty-one".