103507139 has 2 divisors, whose sum is σ = 103507140. Its totient is φ = 103507138.

The previous prime is 103507099. The next prime is 103507141. The reversal of 103507139 is 931705301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103507139 is a prime.

Together with 103507141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103507189) 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, 51753569 + 51753570.

It is an arithmetic number, because the mean of its divisors is an integer number (51753570).

Almost surely, 2^103507139 is an apocalyptic number.

103507139 is a deficient number, since it is larger than the sum of its proper divisors (1).

103507139 is an equidigital number, since it uses as much as digits as its factorization.

103507139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 103507139 is about 10173.8458313462. The cubic root of 103507139 is about 469.5228883999.

The spelling of 103507139 in words is "one hundred three million, five hundred seven thousand, one hundred thirty-nine".