10302139 has 2 divisors, whose sum is σ = 10302140. Its totient is φ = 10302138.

The previous prime is 10302077. The next prime is 10302143. The reversal of 10302139 is 93120301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10302139 - 2⁷ = 10302011 is a prime.

It is a super-2 number, since 2×10302139² = 212268135950642, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10302179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151069 + 5151070.

It is an arithmetic number, because the mean of its divisors is an integer number (5151070).

Almost surely, 2^10302139 is an apocalyptic number.

10302139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302139 is an equidigital number, since it uses as much as digits as its factorization.

10302139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 10302139 is about 3209.6945337524. The cubic root of 10302139 is about 217.5917717274.

The spelling of 10302139 in words is "ten million, three hundred two thousand, one hundred thirty-nine".