134431424 has 28 divisors (see below), whose sum is σ = 267760704. Its totient is φ = 66964224.

The previous prime is 134431417. The next prime is 134431439. The reversal of 134431424 is 424134431.

134431424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 134431393 and 134431402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13937 + ... + 21519.

Almost surely, 2^134431424 is an apocalyptic number.

It is an amenable number.

134431424 is a deficient number, since it is larger than the sum of its proper divisors (133329280).

134431424 is an equidigital number, since it uses as much as digits as its factorization.

134431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872 (or 7862 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 134431424 is about 11594.4566064995. The cubic root of 134431424 is about 512.2715844314.

Adding to 134431424 its reverse (424134431), we get a palindrome (558565855).

It can be divided in two parts, 1344 and 31424, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 134431424 in words is "one hundred thirty-four million, four hundred thirty-one thousand, four hundred twenty-four".