140503009 has 2 divisors, whose sum is σ = 140503010. Its totient is φ = 140503008.

The previous prime is 140502979. The next prime is 140503031. The reversal of 140503009 is 900305041.

It is an a-pointer prime, because the next prime (140503031) can be obtained adding 140503009 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 10543009 = 11400^2 + 3247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140503009 is a prime.

It is not a weakly prime, because it can be changed into another prime (140503039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70251504 + 70251505.

It is an arithmetic number, because the mean of its divisors is an integer number (70251505).

Almost surely, 2^140503009 is an apocalyptic number.

It is an amenable number.

140503009 is a deficient number, since it is larger than the sum of its proper divisors (1).

140503009 is an equidigital number, since it uses as much as digits as its factorization.

140503009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 140503009 is about 11853.3965174544. The cubic root of 140503009 is about 519.8705409975.

The spelling of 140503009 in words is "one hundred forty million, five hundred three thousand, nine".