134253320432 has 160 divisors (see below), whose sum is σ = 335549952000. Its totient is φ = 50499993600.

The previous prime is 134253320423. The next prime is 134253320483. The reversal of 134253320432 is 234023352431.

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, 17144294 + ... + 17152122.

It is an arithmetic number, because the mean of its divisors is an integer number (2097187200).

Almost surely, 2^134253320432 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 134253320432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167774976000).

134253320432 is an abundant number, since it is smaller than the sum of its proper divisors (201296631568).

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

134253320432 is a wasteful number, since it uses less digits than its factorization.

134253320432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 134253320432 its reverse (234023352431), we get a palindrome (368276672863).

The spelling of 134253320432 in words is "one hundred thirty-four billion, two hundred fifty-three million, three hundred twenty thousand, four hundred thirty-two".