140004539 has 2 divisors, whose sum is σ = 140004540. Its totient is φ = 140004538.

The previous prime is 140004523. The next prime is 140004589. The reversal of 140004539 is 935400041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140004539 - 2⁴ = 140004523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140004589) 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, 70002269 + 70002270.

It is an arithmetic number, because the mean of its divisors is an integer number (70002270).

Almost surely, 2^140004539 is an apocalyptic number.

140004539 is a deficient number, since it is larger than the sum of its proper divisors (1).

140004539 is an equidigital number, since it uses as much as digits as its factorization.

140004539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 140004539 is about 11832.3513724027. The cubic root of 140004539 is about 519.2550217270.

The spelling of 140004539 in words is "one hundred forty million, four thousand, five hundred thirty-nine".