140212 has 6 divisors (see below), whose sum is σ = 245378. Its totient is φ = 70104.

The previous prime is 140207. The next prime is 140221. The reversal of 140212 is 212041.

It can be written as a sum of positive squares in only one way, i.e., 98596 + 41616 = 314^2 + 204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17523 + ... + 17530.

2¹⁴⁰²¹² is an apocalyptic number.

It is an amenable number.

140212 is a deficient number, since it is larger than the sum of its proper divisors (105166).

140212 is a wasteful number, since it uses less digits than its factorization.

140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35057 (or 35055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 140212 is about 374.4489284268. The cubic root of 140212 is about 51.9511375321.

Adding to 140212 its reverse (212041), we get a palindrome (352253).

The spelling of 140212 in words is "one hundred forty thousand, two hundred twelve", and thus it is an iban number.