134424047 has 4 divisors (see below), whose sum is σ = 134479176. Its totient is φ = 134368920.

The previous prime is 134424041. The next prime is 134424067. The reversal of 134424047 is 740424431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740424431 = 26681 ⋅27751.

It is a cyclic number.

It is not a de Polignac number, because 134424047 - 2¹² = 134419951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134424041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23729 + ... + 28842.

It is an arithmetic number, because the mean of its divisors is an integer number (33619794).

Almost surely, 2^134424047 is an apocalyptic number.

134424047 is a deficient number, since it is larger than the sum of its proper divisors (55129).

134424047 is an equidigital number, since it uses as much as digits as its factorization.

134424047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55128.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 134424047 is about 11594.1384759714. The cubic root of 134424047 is about 512.2622138628.

Adding to 134424047 its reverse (740424431), we get a palindrome (874848478).

The spelling of 134424047 in words is "one hundred thirty-four million, four hundred twenty-four thousand, forty-seven".