140504212 has 12 divisors (see below), whose sum is σ = 251879796. Its totient is φ = 68538560.

The previous prime is 140504137. The next prime is 140504233. The reversal of 140504212 is 212405041.

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 99082116 = 6436^2 + 9954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140504212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428203 + ... + 428530.

It is an arithmetic number, because the mean of its divisors is an integer number (20989983).

Almost surely, 2^140504212 is an apocalyptic number.

It is an amenable number.

140504212 is a deficient number, since it is larger than the sum of its proper divisors (111375584).

140504212 is a wasteful number, since it uses less digits than its factorization.

140504212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856778 (or 856776 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140504212 is about 11853.4472622946. The cubic root of 140504212 is about 519.8720247201.

Adding to 140504212 its reverse (212405041), we get a palindrome (352909253).

The spelling of 140504212 in words is "one hundred forty million, five hundred four thousand, two hundred twelve".