4145620139 has 2 divisors, whose sum is σ = 4145620140. Its totient is φ = 4145620138.

The previous prime is 4145620123. The next prime is 4145620159. The reversal of 4145620139 is 9310265414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4145620139 - 2⁴ = 4145620123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4145620099 and 4145620108.

It is not a weakly prime, because it can be changed into another prime (4145620159) 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, 2072810069 + 2072810070.

It is an arithmetic number, because the mean of its divisors is an integer number (2072810070).

Almost surely, 2^4145620139 is an apocalyptic number.

4145620139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145620139 is an equidigital number, since it uses as much as digits as its factorization.

4145620139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4145620139 is about 64386.4903454133. The cubic root of 4145620139 is about 1606.4350398160.

The spelling of 4145620139 in words is "four billion, one hundred forty-five million, six hundred twenty thousand, one hundred thirty-nine".