103071139 has 2 divisors, whose sum is σ = 103071140. Its totient is φ = 103071138.

The previous prime is 103071131. The next prime is 103071203. The reversal of 103071139 is 931170301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103071139 - 2³ = 103071131 is a prime.

It is not a weakly prime, because it can be changed into another prime (103071131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51535569 + 51535570.

It is an arithmetic number, because the mean of its divisors is an integer number (51535570).

Almost surely, 2^103071139 is an apocalyptic number.

103071139 is a deficient number, since it is larger than the sum of its proper divisors (1).

103071139 is an equidigital number, since it uses as much as digits as its factorization.

103071139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 103071139 is about 10152.3957271178. The cubic root of 103071139 is about 468.8627082104.

The spelling of 103071139 in words is "one hundred three million, seventy-one thousand, one hundred thirty-nine".