140228 has 12 divisors (see below), whose sum is σ = 267792. Its totient is φ = 63720.

The previous prime is 140227. The next prime is 140237. The reversal of 140228 is 822041.

It is not an unprimeable number, because it can be changed into a prime (140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (22316).

2¹⁴⁰²²⁸ is an apocalyptic number.

It is an amenable number.

140228 is a deficient number, since it is larger than the sum of its proper divisors (127564).

140228 is a wasteful number, since it uses less digits than its factorization.

140228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140228 is about 374.4702925467. The cubic root of 140228 is about 51.9531135555.

Adding to 140228 its reverse (822041), we get a palindrome (962269).

The spelling of 140228 in words is "one hundred forty thousand, two hundred twenty-eight".