28134104 has 16 divisors (see below), whose sum is σ = 53539800. Its totient is φ = 13856832.

The previous prime is 28134103. The next prime is 28134121. The reversal of 28134104 is 40143182.

It is a self number, because there is not a number n which added to its sum of digits gives 28134104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28134101) 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, 25709 + ... + 26780.

Almost surely, 2^28134104 is an apocalyptic number.

It is an amenable number.

28134104 is a deficient number, since it is larger than the sum of its proper divisors (25405696).

28134104 is a wasteful number, since it uses less digits than its factorization.

28134104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52562 (or 52558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 28134104 is about 5304.1591228017. The cubic root of 28134104 is about 304.1429094933.

Adding to 28134104 its reverse (40143182), we get a palindrome (68277286).

The spelling of 28134104 in words is "twenty-eight million, one hundred thirty-four thousand, one hundred four".