134811424 has 72 divisors (see below), whose sum is σ = 299934684. Its totient is φ = 59558400.

The previous prime is 134811421. The next prime is 134811431. The reversal of 134811424 is 424118431.

It can be written as a sum of positive squares in 2 ways, for example, as 123921424 + 10890000 = 11132^2 + 3300^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 134811392 and 134811401.

It is not an unprimeable number, because it can be changed into a prime (134811421) 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, 142794 + ... + 143734.

Almost surely, 2^134811424 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 134811424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149967342).

134811424 is an abundant number, since it is smaller than the sum of its proper divisors (165123260).

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

134811424 is a wasteful number, since it uses less digits than its factorization.

134811424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 991 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 134811424 is about 11610.8321837842. The cubic root of 134811424 is about 512.7538131255.

Adding to 134811424 its reverse (424118431), we get a palindrome (558929855).

The spelling of 134811424 in words is "one hundred thirty-four million, eight hundred eleven thousand, four hundred twenty-four".