140548039 has 2 divisors, whose sum is σ = 140548040. Its totient is φ = 140548038.

The previous prime is 140548021. The next prime is 140548091. The reversal of 140548039 is 930845041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140548039 - 2⁹ = 140547527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140547995 and 140548013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140548019) 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, 70274019 + 70274020.

It is an arithmetic number, because the mean of its divisors is an integer number (70274020).

Almost surely, 2^140548039 is an apocalyptic number.

140548039 is a deficient number, since it is larger than the sum of its proper divisors (1).

140548039 is an equidigital number, since it uses as much as digits as its factorization.

140548039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 140548039 is about 11855.2958208558. The cubic root of 140548039 is about 519.9260730704.

The spelling of 140548039 in words is "one hundred forty million, five hundred forty-eight thousand, thirty-nine".