134321542134 has 128 divisors (see below), whose sum is σ = 304034290560. Its totient is φ = 39290572800.

The previous prime is 134321542133. The next prime is 134321542141. The reversal of 134321542134 is 431245123431.

It is a junction number, because it is equal to n+sod(n) for n = 134321542095 and 134321542104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134321542133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21260344 + ... + 21266660.

It is an arithmetic number, because the mean of its divisors is an integer number (2375267895).

Almost surely, 2^134321542134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134321542134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152017145280).

134321542134 is an abundant number, since it is smaller than the sum of its proper divisors (169712748426).

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

134321542134 is a wasteful number, since it uses less digits than its factorization.

134321542134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546.

The product of its digits is 34560, while the sum is 33.

Adding to 134321542134 its reverse (431245123431), we get a palindrome (565566665565).

The spelling of 134321542134 in words is "one hundred thirty-four billion, three hundred twenty-one million, five hundred forty-two thousand, one hundred thirty-four".