28136354 has 16 divisors (see below), whose sum is σ = 43487808. Its totient is φ = 13642992.

The previous prime is 28136323. The next prime is 28136357. The reversal of 28136354 is 45363182.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28136354.

It is not an unprimeable number, because it can be changed into a prime (28136357) 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, 38339 + ... + 39065.

It is an arithmetic number, because the mean of its divisors is an integer number (2717988).

Almost surely, 2^28136354 is an apocalyptic number.

28136354 is a deficient number, since it is larger than the sum of its proper divisors (15351454).

28136354 is a wasteful number, since it uses less digits than its factorization.

28136354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289.

The product of its digits is 17280, while the sum is 32.

The square root of 28136354 is about 5304.3712162706. The cubic root of 28136354 is about 304.1510171302.

The spelling of 28136354 in words is "twenty-eight million, one hundred thirty-six thousand, three hundred fifty-four".