134221424 has 20 divisors (see below), whose sum is σ = 260395536. Its totient is φ = 67022592.

The previous prime is 134221393. The next prime is 134221427. The reversal of 134221424 is 424122431.

It is a self number, because there is not a number n which added to its sum of digits gives 134221424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134221427) by changing a digit.

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, 8072 + ... + 18264.

Almost surely, 2^134221424 is an apocalyptic number.

It is an amenable number.

134221424 is a deficient number, since it is larger than the sum of its proper divisors (126174112).

134221424 is a wasteful number, since it uses less digits than its factorization.

134221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024 (or 11018 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 134221424 is about 11585.3970152084. The cubic root of 134221424 is about 512.0046996639.

Adding to 134221424 its reverse (424122431), we get a palindrome (558343855).

The spelling of 134221424 in words is "one hundred thirty-four million, two hundred twenty-one thousand, four hundred twenty-four".