140121214 has 16 divisors (see below), whose sum is σ = 217760400. Its totient is φ = 67541824.

The previous prime is 140121211. The next prime is 140121251. The reversal of 140121214 is 412121041.

It is a happy number.

It is a super-2 number, since 2×140121214² = 39267909225667592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48297 + ... + 51115.

It is an arithmetic number, because the mean of its divisors is an integer number (13610025).

Almost surely, 2^140121214 is an apocalyptic number.

140121214 is a deficient number, since it is larger than the sum of its proper divisors (77639186).

140121214 is a wasteful number, since it uses less digits than its factorization.

140121214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140121214 is about 11837.2806843464. The cubic root of 140121214 is about 519.3992248086.

Adding to 140121214 its reverse (412121041), we get a palindrome (552242255).

The spelling of 140121214 in words is "one hundred forty million, one hundred twenty-one thousand, two hundred fourteen".