140155241 has 2 divisors, whose sum is σ = 140155242. Its totient is φ = 140155240.

The previous prime is 140155201. The next prime is 140155271. The reversal of 140155241 is 142551041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 5107600 = 11621^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 140155241 - 2⁶ = 140155177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140155201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077620 + 70077621.

It is an arithmetic number, because the mean of its divisors is an integer number (70077621).

Almost surely, 2^140155241 is an apocalyptic number.

It is an amenable number.

140155241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155241 is an equidigital number, since it uses as much as digits as its factorization.

140155241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 140155241 is about 11838.7178782164. The cubic root of 140155241 is about 519.4412649977.

The spelling of 140155241 in words is "one hundred forty million, one hundred fifty-five thousand, two hundred forty-one".