140115049 has 2 divisors, whose sum is σ = 140115050. Its totient is φ = 140115048.

The previous prime is 140115043. The next prime is 140115061. The reversal of 140115049 is 940511041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102819600 + 37295449 = 10140^2 + 6107^2 .

It is an emirp because it is prime and its reverse (940511041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140115049 - 2⁹ = 140114537 is a prime.

It is not a weakly prime, because it can be changed into another prime (140115043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70057524 + 70057525.

It is an arithmetic number, because the mean of its divisors is an integer number (70057525).

Almost surely, 2^140115049 is an apocalyptic number.

It is an amenable number.

140115049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140115049 is an equidigital number, since it uses as much as digits as its factorization.

140115049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 140115049 is about 11837.0202753903. The cubic root of 140115049 is about 519.3916072536.

The spelling of 140115049 in words is "one hundred forty million, one hundred fifteen thousand, forty-nine".