140150249 has 2 divisors, whose sum is σ = 140150250. Its totient is φ = 140150248.

The previous prime is 140150239. The next prime is 140150267. The reversal of 140150249 is 942051041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103632400 + 36517849 = 10180^2 + 6043^2 .

It is a cyclic number.

It is not a de Polignac number, because 140150249 - 2¹⁶ = 140084713 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140150239) 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, 70075124 + 70075125.

It is an arithmetic number, because the mean of its divisors is an integer number (70075125).

Almost surely, 2^140150249 is an apocalyptic number.

It is an amenable number.

140150249 is a deficient number, since it is larger than the sum of its proper divisors (1).

140150249 is an equidigital number, since it uses as much as digits as its factorization.

140150249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 140150249 is about 11838.5070426976. The cubic root of 140150249 is about 519.4350978325.

The spelling of 140150249 in words is "one hundred forty million, one hundred fifty thousand, two hundred forty-nine".