140142214 has 32 divisors (see below), whose sum is σ = 226713600. Its totient is φ = 64774080.

The previous prime is 140142173. The next prime is 140142251. The reversal of 140142214 is 412241041.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 140142191 and 140142200.

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, 342442 + ... + 342850.

It is an arithmetic number, because the mean of its divisors is an integer number (7084800).

Almost surely, 2^140142214 is an apocalyptic number.

140142214 is a deficient number, since it is larger than the sum of its proper divisors (86571386).

140142214 is a wasteful number, since it uses less digits than its factorization.

140142214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 140142214 is about 11838.1676791639. The cubic root of 140142214 is about 519.4251710080.

Adding to 140142214 its reverse (412241041), we get a palindrome (552383255).

The spelling of 140142214 in words is "one hundred forty million, one hundred forty-two thousand, two hundred fourteen".