140550212 has 18 divisors (see below), whose sum is σ = 270356814. Its totient is φ = 63886240.

The previous prime is 140550197. The next prime is 140550229. The reversal of 140550212 is 212055041.

It can be written as a sum of positive squares in only one way, i.e., 129367876 + 11182336 = 11374^2 + 3344^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 144713 + ... + 145680.

It is an arithmetic number, because the mean of its divisors is an integer number (15019823).

Almost surely, 2^140550212 is an apocalyptic number.

It is an amenable number.

140550212 is a deficient number, since it is larger than the sum of its proper divisors (129806602).

140550212 is a wasteful number, since it uses less digits than its factorization.

140550212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290419 (or 290406 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 140550212 is about 11855.3874673078. The cubic root of 140550212 is about 519.9287525659.

The spelling of 140550212 in words is "one hundred forty million, five hundred fifty thousand, two hundred twelve".