2340145139 has 2 divisors, whose sum is σ = 2340145140. Its totient is φ = 2340145138.

The previous prime is 2340145123. The next prime is 2340145147. The reversal of 2340145139 is 9315410432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2340145139 - 2⁴ = 2340145123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2340105139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170072569 + 1170072570.

It is an arithmetic number, because the mean of its divisors is an integer number (1170072570).

Almost surely, 2^2340145139 is an apocalyptic number.

2340145139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340145139 is an equidigital number, since it uses as much as digits as its factorization.

2340145139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2340145139 is about 48375.0466563083. The cubic root of 2340145139 is about 1327.6418422165.

The spelling of 2340145139 in words is "two billion, three hundred forty million, one hundred forty-five thousand, one hundred thirty-nine".