28135341 has 12 divisors (see below), whose sum is σ = 43766268. Its totient is φ = 17313984.

The previous prime is 28135339. The next prime is 28135361. The reversal of 28135341 is 14353182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11902500 + 16232841 = 3450^2 + 4029^2 .

It is not a de Polignac number, because 28135341 - 2¹ = 28135339 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28135301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120120 + ... + 120353.

It is an arithmetic number, because the mean of its divisors is an integer number (3647189).

Almost surely, 2^28135341 is an apocalyptic number.

It is an amenable number.

28135341 is a deficient number, since it is larger than the sum of its proper divisors (15630927).

28135341 is a wasteful number, since it uses less digits than its factorization.

28135341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240492 (or 240489 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 28135341 is about 5304.2757281273. The cubic root of 28135341 is about 304.1473669454.

The spelling of 28135341 in words is "twenty-eight million, one hundred thirty-five thousand, three hundred forty-one".