134342381843 has 2 divisors, whose sum is σ = 134342381844. Its totient is φ = 134342381842.

The previous prime is 134342381821. The next prime is 134342381891. The reversal of 134342381843 is 348183243431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134342381843 - 2¹² = 134342377747 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 134342381794 and 134342381803.

It is not a weakly prime, because it can be changed into another prime (134342381443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67171190921 + 67171190922.

It is an arithmetic number, because the mean of its divisors is an integer number (67171190922).

Almost surely, 2^134342381843 is an apocalyptic number.

134342381843 is a deficient number, since it is larger than the sum of its proper divisors (1).

134342381843 is an equidigital number, since it uses as much as digits as its factorization.

134342381843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 44.

The spelling of 134342381843 in words is "one hundred thirty-four billion, three hundred forty-two million, three hundred eighty-one thousand, eight hundred forty-three".