134123413044 has 96 divisors (see below), whose sum is σ = 336187635840. Its totient is φ = 41466359808.

The previous prime is 134123413001. The next prime is 134123413069. The reversal of 134123413044 is 440314321431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21724342 + ... + 21730514.

It is an arithmetic number, because the mean of its divisors is an integer number (3501954540).

Almost surely, 2^134123413044 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 134123413044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168093817920).

134123413044 is an abundant number, since it is smaller than the sum of its proper divisors (202064222796).

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

134123413044 is a wasteful number, since it uses less digits than its factorization.

134123413044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729 (or 7727 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 134123413044 its reverse (440314321431), we get a palindrome (574437734475).

The spelling of 134123413044 in words is "one hundred thirty-four billion, one hundred twenty-three million, four hundred thirteen thousand, forty-four".