140908378201 has 2 divisors, whose sum is σ = 140908378202. Its totient is φ = 140908378200.

The previous prime is 140908378181. The next prime is 140908378271. The reversal of 140908378201 is 102873809041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135899136025 + 5009242176 = 368645^2 + 70776^2 .

It is an emirp because it is prime and its reverse (102873809041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140908378201 - 2⁷ = 140908378073 is a prime.

It is not a weakly prime, because it can be changed into another prime (140908378271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70454189100 + 70454189101.

It is an arithmetic number, because the mean of its divisors is an integer number (70454189101).

Almost surely, 2^140908378201 is an apocalyptic number.

It is an amenable number.

140908378201 is a deficient number, since it is larger than the sum of its proper divisors (1).

140908378201 is an equidigital number, since it uses as much as digits as its factorization.

140908378201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 140908378201 in words is "one hundred forty billion, nine hundred eight million, three hundred seventy-eight thousand, two hundred one".