340340134343 has 6 divisors (see below), whose sum is σ = 374092875072. Its totient is φ = 309400122020.

The previous prime is 340340134313. The next prime is 340340134391. The reversal of 340340134343 is 343431043043.

It is not a de Polignac number, because 340340134343 - 2¹⁰ = 340340133319 is a prime.

It is a super-2 number, since 2×340340134343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340340134313) 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 5 ways as a sum of consecutive naturals, for example, 1406364071 + ... + 1406364312.

It is an arithmetic number, because the mean of its divisors is an integer number (62348812512).

Almost surely, 2^340340134343 is an apocalyptic number.

340340134343 is a deficient number, since it is larger than the sum of its proper divisors (33752740729).

340340134343 is a wasteful number, since it uses less digits than its factorization.

340340134343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812728405 (or 2812728394 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 340340134343 its reverse (343431043043), we get a palindrome (683771177386).

The spelling of 340340134343 in words is "three hundred forty billion, three hundred forty million, one hundred thirty-four thousand, three hundred forty-three".