134213424 has 60 divisors (see below), whose sum is σ = 351650856. Its totient is φ = 44109824.

The previous prime is 134213423. The next prime is 134213447. The reversal of 134213424 is 424312431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 134213394 and 134213403.

It is not an unprimeable number, because it can be changed into a prime (134213423) 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, 380032 + ... + 380384.

Almost surely, 2^134213424 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 134213424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175825428).

134213424 is an abundant number, since it is smaller than the sum of its proper divisors (217437432).

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

134213424 is an equidigital number, since it uses as much as digits as its factorization.

134213424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 447 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 134213424 is about 11585.0517478344. The cubic root of 134213424 is about 511.9945271225.

Adding to 134213424 its reverse (424312431), we get a palindrome (558525855).

The spelling of 134213424 in words is "one hundred thirty-four million, two hundred thirteen thousand, four hundred twenty-four".