140012214 has 16 divisors (see below), whose sum is σ = 286537152. Its totient is φ = 45585288.

The previous prime is 140012149. The next prime is 140012237. The reversal of 140012214 is 412210041.

It is a junction number, because it is equal to n+sod(n) for n = 140012193 and 140012202.

It is a congruent number.

It is an unprimeable number.

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, 271084 + ... + 271599.

It is an arithmetic number, because the mean of its divisors is an integer number (17908572).

Almost surely, 2^140012214 is an apocalyptic number.

140012214 is an abundant number, since it is smaller than the sum of its proper divisors (146524938).

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

140012214 is a wasteful number, since it uses less digits than its factorization.

140012214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542731.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140012214 is about 11832.6756906458. The cubic root of 140012214 is about 519.2645100134.

Adding to 140012214 its reverse (412210041), we get a palindrome (552222255).

The spelling of 140012214 in words is "one hundred forty million, twelve thousand, two hundred fourteen".