125108349139 has 2 divisors, whose sum is σ = 125108349140. Its totient is φ = 125108349138.

The previous prime is 125108349137. The next prime is 125108349161. The reversal of 125108349139 is 931943801521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125108349139 - 2¹ = 125108349137 is a prime.

Together with 125108349137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125108349133) 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, 62554174569 + 62554174570.

It is an arithmetic number, because the mean of its divisors is an integer number (62554174570).

Almost surely, 2^125108349139 is an apocalyptic number.

125108349139 is a deficient number, since it is larger than the sum of its proper divisors (1).

125108349139 is an equidigital number, since it uses as much as digits as its factorization.

125108349139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 125108349139 in words is "one hundred twenty-five billion, one hundred eight million, three hundred forty-nine thousand, one hundred thirty-nine".