140908241 has 2 divisors, whose sum is σ = 140908242. Its totient is φ = 140908240.

The previous prime is 140908219. The next prime is 140908249. The reversal of 140908241 is 142809041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 10857025 = 11404^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 140908241 - 2¹⁴ = 140891857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140908249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70454120 + 70454121.

It is an arithmetic number, because the mean of its divisors is an integer number (70454121).

Almost surely, 2^140908241 is an apocalyptic number.

It is an amenable number.

140908241 is a deficient number, since it is larger than the sum of its proper divisors (1).

140908241 is an equidigital number, since it uses as much as digits as its factorization.

140908241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 140908241 is about 11870.4777073208. The cubic root of 140908241 is about 520.3698564486.

The spelling of 140908241 in words is "one hundred forty million, nine hundred eight thousand, two hundred forty-one".