140431201 has 2 divisors, whose sum is σ = 140431202. Its totient is φ = 140431200.

The previous prime is 140431199. The next prime is 140431219. The reversal of 140431201 is 102134041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140398801 + 32400 = 11849^2 + 180^2 .

It is an emirp because it is prime and its reverse (102134041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140431201 - 2¹ = 140431199 is a prime.

Together with 140431199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140431301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70215600 + 70215601.

It is an arithmetic number, because the mean of its divisors is an integer number (70215601).

Almost surely, 2^140431201 is an apocalyptic number.

It is an amenable number.

140431201 is a deficient number, since it is larger than the sum of its proper divisors (1).

140431201 is an equidigital number, since it uses as much as digits as its factorization.

140431201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140431201 is about 11850.3671251147. The cubic root of 140431201 is about 519.7819611026.

Adding to 140431201 its reverse (102134041), we get a palindrome (242565242).

The spelling of 140431201 in words is "one hundred forty million, four hundred thirty-one thousand, two hundred one".