135043243434 has 48 divisors (see below), whose sum is σ = 337969195200. Its totient is φ = 38515006080.

The previous prime is 135043243411. The next prime is 135043243493. The reversal of 135043243434 is 434342340531.

It is a happy number.

It is a super-2 number, since 2×135043243434² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20056534 + ... + 20063265.

It is an arithmetic number, because the mean of its divisors is an integer number (7041024900).

Almost surely, 2^135043243434 is an apocalyptic number.

135043243434 is an abundant number, since it is smaller than the sum of its proper divisors (202925951766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135043243434 is a wasteful number, since it uses less digits than its factorization.

135043243434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40119835 (or 40119832 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 135043243434 its reverse (434342340531), we get a palindrome (569385583965).

The spelling of 135043243434 in words is "one hundred thirty-five billion, forty-three million, two hundred forty-three thousand, four hundred thirty-four".