134023424 has 54 divisors (see below), whose sum is σ = 276494946. Its totient is φ = 64798720.

The previous prime is 134023411. The next prime is 134023429. The reversal of 134023424 is 424320431.

It can be written as a sum of positive squares in 3 ways, for example, as 35617024 + 98406400 = 5968^2 + 9920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134023424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134023429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1185992 + ... + 1186104.

Almost surely, 2^134023424 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 134023424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138247473).

134023424 is an abundant number, since it is smaller than the sum of its proper divisors (142471522).

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

134023424 is an frugal number, since it uses more digits than its factorization.

134023424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 134023424 is about 11576.8486212786. The cubic root of 134023424 is about 511.7528103655.

Adding to 134023424 its reverse (424320431), we get a palindrome (558343855).

The spelling of 134023424 in words is "one hundred thirty-four million, twenty-three thousand, four hundred twenty-four".