140420243240201 has 2 divisors, whose sum is σ = 140420243240202. Its totient is φ = 140420243240200.

The previous prime is 140420243240159. The next prime is 140420243240231. The reversal of 140420243240201 is 102042342024041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132522091806976 + 7898151433225 = 11511824^2 + 2810365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140420243240201 is a prime.

It is not a weakly prime, because it can be changed into another prime (140420243240231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210121620100 + 70210121620101.

It is an arithmetic number, because the mean of its divisors is an integer number (70210121620101).

Almost surely, 2^{140420243240201} is an apocalyptic number.

It is an amenable number.

140420243240201 is a deficient number, since it is larger than the sum of its proper divisors (1).

140420243240201 is an equidigital number, since it uses as much as digits as its factorization.

140420243240201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140420243240201 its reverse (102042342024041), we get a palindrome (242462585264242).

The spelling of 140420243240201 in words is "one hundred forty trillion, four hundred twenty billion, two hundred forty-three million, two hundred forty thousand, two hundred one".