140342201 has 2 divisors, whose sum is σ = 140342202. Its totient is φ = 140342200.

The previous prime is 140342197. The next prime is 140342207. The reversal of 140342201 is 102243041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93624976 + 46717225 = 9676^2 + 6835^2 .

It is a cyclic number.

It is not a de Polignac number, because 140342201 - 2² = 140342197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140342201.

It is not a weakly prime, because it can be changed into another prime (140342207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70171100 + 70171101.

It is an arithmetic number, because the mean of its divisors is an integer number (70171101).

Almost surely, 2^140342201 is an apocalyptic number.

It is an amenable number.

140342201 is a deficient number, since it is larger than the sum of its proper divisors (1).

140342201 is an equidigital number, since it uses as much as digits as its factorization.

140342201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140342201 is about 11846.6113720338. The cubic root of 140342201 is about 519.6721318283.

Adding to 140342201 its reverse (102243041), we get a palindrome (242585242).

The spelling of 140342201 in words is "one hundred forty million, three hundred forty-two thousand, two hundred one".