134343120103243 has 4 divisors (see below), whose sum is σ = 135852593362920. Its totient is φ = 132833646843568.

The previous prime is 134343120103229. The next prime is 134343120103249. The reversal of 134343120103243 is 342301021343431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134343120103243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134343120103199 and 134343120103208.

It is not an unprimeable number, because it can be changed into a prime (134343120103249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754736629705 + ... + 754736629882.

It is an arithmetic number, because the mean of its divisors is an integer number (33963148340730).

Almost surely, 2^{134343120103243} is an apocalyptic number.

134343120103243 is a deficient number, since it is larger than the sum of its proper divisors (1509473259677).

134343120103243 is an equidigital number, since it uses as much as digits as its factorization.

134343120103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509473259676.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 134343120103243 its reverse (342301021343431), we get a palindrome (476644141446674).

The spelling of 134343120103243 in words is "one hundred thirty-four trillion, three hundred forty-three billion, one hundred twenty million, one hundred three thousand, two hundred forty-three".