134242030243 has 4 divisors (see below), whose sum is σ = 134465395288. Its totient is φ = 134018665200.

The previous prime is 134242030229. The next prime is 134242030261. The reversal of 134242030243 is 342030242431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342030242431 = 92801 ⋅3685631.

It is a cyclic number.

It is not a de Polignac number, because 134242030243 - 2⁵ = 134242030211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134242030343) 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 in 3 ways as a sum of consecutive naturals, for example, 111681621 + ... + 111682822.

It is an arithmetic number, because the mean of its divisors is an integer number (33616348822).

Almost surely, 2^134242030243 is an apocalyptic number.

134242030243 is a deficient number, since it is larger than the sum of its proper divisors (223365045).

134242030243 is an equidigital number, since it uses as much as digits as its factorization.

134242030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223365044.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 134242030243 its reverse (342030242431), we get a palindrome (476272272674).

The spelling of 134242030243 in words is "one hundred thirty-four billion, two hundred forty-two million, thirty thousand, two hundred forty-three".