140321214 has 32 divisors (see below), whose sum is σ = 340174080. Its totient is φ = 42521400.

The previous prime is 140321201. The next prime is 140321231. The reversal of 140321214 is 412123041.

140321214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117522 + ... + 118709.

It is an arithmetic number, because the mean of its divisors is an integer number (10630440).

Almost surely, 2^140321214 is an apocalyptic number.

140321214 is an abundant number, since it is smaller than the sum of its proper divisors (199852866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140321214 is a wasteful number, since it uses less digits than its factorization.

140321214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236253 (or 236247 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 140321214 is about 11845.7255581919. The cubic root of 140321214 is about 519.6462263329.

Adding to 140321214 its reverse (412123041), we get a palindrome (552444255).

The spelling of 140321214 in words is "one hundred forty million, three hundred twenty-one thousand, two hundred fourteen".