140702228 has 6 divisors (see below), whose sum is σ = 246228906. Its totient is φ = 70351112.

The previous prime is 140702213. The next prime is 140702249. The reversal of 140702228 is 822207041.

140702228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140469904 + 232324 = 11852^2 + 482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140702197 and 140702206.

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 as a sum of consecutive naturals, namely, 17587775 + ... + 17587782.

It is an arithmetic number, because the mean of its divisors is an integer number (41038151).

Almost surely, 2^140702228 is an apocalyptic number.

It is an amenable number.

140702228 is a deficient number, since it is larger than the sum of its proper divisors (105526678).

140702228 is a wasteful number, since it uses less digits than its factorization.

140702228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35175561 (or 35175559 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 140702228 is about 11861.7969970827. The cubic root of 140702228 is about 520.1161328390.

Adding to 140702228 its reverse (822207041), we get a palindrome (962909269).

The spelling of 140702228 in words is "one hundred forty million, seven hundred two thousand, two hundred twenty-eight".