28134037 has 8 divisors (see below), whose sum is σ = 29797056. Its totient is φ = 26507712.

The previous prime is 28134013. The next prime is 28134053. The reversal of 28134037 is 73043182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28134037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28133996 and 28134014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28134137) 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 7 ways as a sum of consecutive naturals, for example, 7588 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (3724632).

Almost surely, 2^28134037 is an apocalyptic number.

It is an amenable number.

28134037 is a deficient number, since it is larger than the sum of its proper divisors (1663019).

28134037 is a wasteful number, since it uses less digits than its factorization.

28134037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28134037 is about 5304.1528069994. The cubic root of 28134037 is about 304.1426680592.

The spelling of 28134037 in words is "twenty-eight million, one hundred thirty-four thousand, thirty-seven".