140503387 has 2 divisors, whose sum is σ = 140503388. Its totient is φ = 140503386.

The previous prime is 140503379. The next prime is 140503399. The reversal of 140503387 is 783305041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140503387 - 2³ = 140503379 is a prime.

It is not a weakly prime, because it can be changed into another prime (140503327) 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, 70251693 + 70251694.

It is an arithmetic number, because the mean of its divisors is an integer number (70251694).

Almost surely, 2^140503387 is an apocalyptic number.

140503387 is a deficient number, since it is larger than the sum of its proper divisors (1).

140503387 is an equidigital number, since it uses as much as digits as its factorization.

140503387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 140503387 is about 11853.4124622406. The cubic root of 140503387 is about 519.8710072055.

The spelling of 140503387 in words is "one hundred forty million, five hundred three thousand, three hundred eighty-seven".