140042214 has 48 divisors (see below), whose sum is σ = 332155824. Its totient is φ = 42379200.

The previous prime is 140042213. The next prime is 140042233. The reversal of 140042214 is 412240041.

140042214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140042214² = 39223643404043592, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9369 + ... + 19179.

It is an arithmetic number, because the mean of its divisors is an integer number (6919913).

Almost surely, 2^140042214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140042214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166077912).

140042214 is an abundant number, since it is smaller than the sum of its proper divisors (192113610).

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

140042214 is a wasteful number, since it uses less digits than its factorization.

140042214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893 (or 9890 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140042214 is about 11833.9432988332. The cubic root of 140042214 is about 519.3015944514.

Adding to 140042214 its reverse (412240041), we get a palindrome (552282255).

The spelling of 140042214 in words is "one hundred forty million, forty-two thousand, two hundred fourteen".