140786228 has 24 divisors (see below), whose sum is σ = 269577504. Its totient is φ = 63802400.

The previous prime is 140786203. The next prime is 140786237. The reversal of 140786228 is 822687041.

It is a junction number, because it is equal to n+sod(n) for n = 140786191 and 140786200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10658 + ... + 19878.

It is an arithmetic number, because the mean of its divisors is an integer number (11232396).

Almost surely, 2^140786228 is an apocalyptic number.

It is an amenable number.

140786228 is a deficient number, since it is larger than the sum of its proper divisors (128791276).

140786228 is a wasteful number, since it uses less digits than its factorization.

140786228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583 (or 9581 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 140786228 is about 11865.3372476302. The cubic root of 140786228 is about 520.2196163074.

The spelling of 140786228 in words is "one hundred forty million, seven hundred eighty-six thousand, two hundred twenty-eight".