134104447 has 4 divisors (see below), whose sum is σ = 134233096. Its totient is φ = 133975800.

The previous prime is 134104441. The next prime is 134104457. The reversal of 134104447 is 744401431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134104447 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 (134104441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62748 + ... + 64849.

It is an arithmetic number, because the mean of its divisors is an integer number (33558274).

Almost surely, 2^134104447 is an apocalyptic number.

134104447 is a deficient number, since it is larger than the sum of its proper divisors (128649).

134104447 is a wasteful number, since it uses less digits than its factorization.

134104447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128648.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 134104447 is about 11580.3474472919. The cubic root of 134104447 is about 511.8559152158.

Adding to 134104447 its reverse (744401431), we get a palindrome (878505878).

The spelling of 134104447 in words is "one hundred thirty-four million, one hundred four thousand, four hundred forty-seven".