140242205 has 16 divisors (see below), whose sum is σ = 170030784. Its totient is φ = 111041280.

The previous prime is 140242183. The next prime is 140242217. The reversal of 140242205 is 502242041.

It is a happy number.

It is not a de Polignac number, because 140242205 - 2⁸ = 140241949 is a prime.

It is a Duffinian number.

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, 323669 + ... + 324101.

It is an arithmetic number, because the mean of its divisors is an integer number (10626924).

Almost surely, 2^140242205 is an apocalyptic number.

It is an amenable number.

140242205 is a deficient number, since it is larger than the sum of its proper divisors (29788579).

140242205 is a wasteful number, since it uses less digits than its factorization.

140242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140242205 is about 11842.3901725961. The cubic root of 140242205 is about 519.5486776783.

Adding to 140242205 its reverse (502242041), we get a palindrome (642484246).

The spelling of 140242205 in words is "one hundred forty million, two hundred forty-two thousand, two hundred five".