134245044544 has 84 divisors (see below), whose sum is σ = 288769889820. Its totient is φ = 61892812800.

The previous prime is 134245044523. The next prime is 134245044581. The reversal of 134245044544 is 445440542431.

It can be written as a sum of positive squares in 6 ways, for example, as 38447366400 + 95797678144 = 196080^2 + 309512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134245044497 and 134245044506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10907194 + ... + 10919494.

Almost surely, 2^134245044544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134245044544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144384944910).

134245044544 is an abundant number, since it is smaller than the sum of its proper divisors (154524845276).

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

134245044544 is a wasteful number, since it uses less digits than its factorization.

134245044544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348 (or 13325 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 134245044544 its reverse (445440542431), we get a palindrome (579685586975).

The spelling of 134245044544 in words is "one hundred thirty-four billion, two hundred forty-five million, forty-four thousand, five hundred forty-four".