135512454512444 has 6 divisors (see below), whose sum is σ = 237146795396784. Its totient is φ = 67756227256220.

The previous prime is 135512454512389. The next prime is 135512454512447. The reversal of 135512454512444 is 444215454215531.

It is a junction number, because it is equal to n+sod(n) for n = 135512454512392 and 135512454512401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135512454512447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16939056814052 + ... + 16939056814059.

It is an arithmetic number, because the mean of its divisors is an integer number (39524465899464).

Almost surely, 2^{135512454512444} is an apocalyptic number.

It is an amenable number.

135512454512444 is a deficient number, since it is larger than the sum of its proper divisors (101634340884340).

135512454512444 is a wasteful number, since it uses less digits than its factorization.

135512454512444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33878113628115 (or 33878113628113 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 50.

The spelling of 135512454512444 in words is "one hundred thirty-five trillion, five hundred twelve billion, four hundred fifty-four million, five hundred twelve thousand, four hundred forty-four".