140302049 has 2 divisors, whose sum is σ = 140302050. Its totient is φ = 140302048.

The previous prime is 140302033. The next prime is 140302051. The reversal of 140302049 is 940203041.

140302049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121440400 + 18861649 = 11020^2 + 4343^2 .

It is a cyclic number.

It is not a de Polignac number, because 140302049 - 2⁴ = 140302033 is a prime.

It is a Sophie Germain prime.

Together with 140302051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140302009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70151024 + 70151025.

It is an arithmetic number, because the mean of its divisors is an integer number (70151025).

Almost surely, 2^140302049 is an apocalyptic number.

It is an amenable number.

140302049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140302049 is an equidigital number, since it uses as much as digits as its factorization.

140302049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140302049 is about 11844.9165889845. The cubic root of 140302049 is about 519.6225675833.

The spelling of 140302049 in words is "one hundred forty million, three hundred two thousand, forty-nine".