13234134400 has 96 divisors (see below), whose sum is σ = 32928751800. Its totient is φ = 5255393280.

The previous prime is 13234134343. The next prime is 13234134401. The reversal of 13234134400 is 443143231.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234134401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429924 + ... + 459676.

Almost surely, 2^13234134400 is an apocalyptic number.

13234134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13234134400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16464375900).

13234134400 is an abundant number, since it is smaller than the sum of its proper divisors (19694617400).

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

13234134400 is a wasteful number, since it uses less digits than its factorization.

13234134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29916 (or 29899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13234134400 its reverse (443143231), we get a palindrome (13677277631).

The spelling of 13234134400 in words is "thirteen billion, two hundred thirty-four million, one hundred thirty-four thousand, four hundred".