135414245243 has 4 divisors (see below), whose sum is σ = 135415231848. Its totient is φ = 135413258640.

The previous prime is 135414245209. The next prime is 135414245249. The reversal of 135414245243 is 342542414531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 342542414531 = 109 ⋅3142590959.

It is a cyclic number.

It is not a de Polignac number, because 135414245243 - 2¹² = 135414241147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135414245197 and 135414245206.

It is not an unprimeable number, because it can be changed into a prime (135414245249) 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 3 ways as a sum of consecutive naturals, for example, 246146 + ... + 575687.

It is an arithmetic number, because the mean of its divisors is an integer number (33853807962).

Almost surely, 2^135414245243 is an apocalyptic number.

135414245243 is a deficient number, since it is larger than the sum of its proper divisors (986605).

135414245243 is an equidigital number, since it uses as much as digits as its factorization.

135414245243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986604.

The product of its digits is 230400, while the sum is 38.

Adding to 135414245243 its reverse (342542414531), we get a palindrome (477956659774).

The spelling of 135414245243 in words is "one hundred thirty-five billion, four hundred fourteen million, two hundred forty-five thousand, two hundred forty-three".