140533228 has 12 divisors (see below), whose sum is σ = 268290792. Its totient is φ = 63878720.

The previous prime is 140533223. The next prime is 140533229. The reversal of 140533228 is 822335041.

It is a junction number, because it is equal to n+sod(n) for n = 140533196 and 140533205.

It is not an unprimeable number, because it can be changed into a prime (140533223) 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, 1596925 + ... + 1597012.

It is an arithmetic number, because the mean of its divisors is an integer number (22357566).

Almost surely, 2^140533228 is an apocalyptic number.

It is an amenable number.

140533228 is a deficient number, since it is larger than the sum of its proper divisors (127757564).

140533228 is a wasteful number, since it uses less digits than its factorization.

140533228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193952 (or 3193950 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140533228 is about 11854.6711468518. The cubic root of 140533228 is about 519.9078091002.

Adding to 140533228 its reverse (822335041), we get a palindrome (962868269).

The spelling of 140533228 in words is "one hundred forty million, five hundred thirty-three thousand, two hundred twenty-eight".