134243400 has 96 divisors (see below), whose sum is σ = 427472640. Its totient is φ = 34824960.

The previous prime is 134243381. The next prime is 134243449. The reversal of 134243400 is 4342431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19177 + ... + 25223.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840).

Almost surely, 2^134243400 is an apocalyptic number.

134243400 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 134243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213736320).

134243400 is an abundant number, since it is smaller than the sum of its proper divisors (293229240).

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

134243400 is a wasteful number, since it uses less digits than its factorization.

134243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103 (or 6094 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 134243400 is about 11586.3454117336. The cubic root of 134243400 is about 512.0326415550.

Adding to 134243400 its reverse (4342431), we get a palindrome (138585831).

The spelling of 134243400 in words is "one hundred thirty-four million, two hundred forty-three thousand, four hundred".