135423443252044 has 6 divisors (see below), whose sum is σ = 236991025691084. Its totient is φ = 67711721626020.

The previous prime is 135423443252033. The next prime is 135423443252137. The reversal of 135423443252044 is 440252344324531.

It is a junction number, because it is equal to n+sod(n) for n = 135423443251985 and 135423443252003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16927930406502 + ... + 16927930406509.

Almost surely, 2^{135423443252044} is an apocalyptic number.

It is an amenable number.

135423443252044 is a deficient number, since it is larger than the sum of its proper divisors (101567582439040).

135423443252044 is a wasteful number, since it uses less digits than its factorization.

135423443252044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33855860813015 (or 33855860813013 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 135423443252044 its reverse (440252344324531), we get a palindrome (575675787576575).

The spelling of 135423443252044 in words is "one hundred thirty-five trillion, four hundred twenty-three billion, four hundred forty-three million, two hundred fifty-two thousand, forty-four".