28135654 has 8 divisors (see below), whose sum is σ = 42260400. Its totient is φ = 14048856.

The previous prime is 28135649. The next prime is 28135661. The reversal of 28135654 is 45653182.

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

It is a congruent number.

It is an unprimeable number.

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, 7554 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (5282550).

Almost surely, 2^28135654 is an apocalyptic number.

28135654 is a deficient number, since it is larger than the sum of its proper divisors (14124746).

28135654 is a wasteful number, since it uses less digits than its factorization.

28135654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18974.

The product of its digits is 28800, while the sum is 34.

The square root of 28135654 is about 5304.3052325446. The cubic root of 28135654 is about 304.1484948006.

The spelling of 28135654 in words is "twenty-eight million, one hundred thirty-five thousand, six hundred fifty-four".