28136753 has 4 divisors (see below), whose sum is σ = 28254720. Its totient is φ = 28018788.

The previous prime is 28136743. The next prime is 28136807. The reversal of 28136753 is 35763182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28136753 - 2⁴ = 28136737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28136743) 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, 58625 + ... + 59102.

It is an arithmetic number, because the mean of its divisors is an integer number (7063680).

Almost surely, 2^28136753 is an apocalyptic number.

It is an amenable number.

28136753 is a deficient number, since it is larger than the sum of its proper divisors (117967).

28136753 is a wasteful number, since it uses less digits than its factorization.

28136753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117966.

The product of its digits is 30240, while the sum is 35.

The square root of 28136753 is about 5304.4088266271. The cubic root of 28136753 is about 304.1524548394.

The spelling of 28136753 in words is "twenty-eight million, one hundred thirty-six thousand, seven hundred fifty-three".