140198341 has 2 divisors, whose sum is σ = 140198342. Its totient is φ = 140198340.

The previous prime is 140198339. The next prime is 140198351. The reversal of 140198341 is 143891041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 59737441 = 8970^2 + 7729^2 .

It is a cyclic number.

It is not a de Polignac number, because 140198341 - 2¹ = 140198339 is a prime.

Together with 140198339, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140198351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70099170 + 70099171.

It is an arithmetic number, because the mean of its divisors is an integer number (70099171).

Almost surely, 2^140198341 is an apocalyptic number.

It is an amenable number.

140198341 is a deficient number, since it is larger than the sum of its proper divisors (1).

140198341 is an equidigital number, since it uses as much as digits as its factorization.

140198341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 140198341 is about 11840.5380367617. The cubic root of 140198341 is about 519.4945050665.

The spelling of 140198341 in words is "one hundred forty million, one hundred ninety-eight thousand, three hundred forty-one".