140342206 has 8 divisors (see below), whose sum is σ = 211926600. Its totient is φ = 69700008.

The previous prime is 140342201. The next prime is 140342207. The reversal of 140342206 is 602243041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140342201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235176 + ... + 235771.

It is an arithmetic number, because the mean of its divisors is an integer number (26490825).

Almost surely, 2^140342206 is an apocalyptic number.

140342206 is a deficient number, since it is larger than the sum of its proper divisors (71584394).

140342206 is a wasteful number, since it uses less digits than its factorization.

140342206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471098.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140342206 is about 11846.6115830646. The cubic root of 140342206 is about 519.6721379997.

Adding to 140342206 its reverse (602243041), we get a palindrome (742585247).

The spelling of 140342206 in words is "one hundred forty million, three hundred forty-two thousand, two hundred six".