125125000139 has 4 divisors (see below), whose sum is σ = 125125823856. Its totient is φ = 125124176424.

The previous prime is 125125000109. The next prime is 125125000201. The reversal of 125125000139 is 931000521521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125125000139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125125000109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110504 + ... + 512309.

It is an arithmetic number, because the mean of its divisors is an integer number (31281455964).

Almost surely, 2^125125000139 is an apocalyptic number.

125125000139 is a deficient number, since it is larger than the sum of its proper divisors (823717).

125125000139 is an equidigital number, since it uses as much as digits as its factorization.

125125000139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823716.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 125125000139 in words is "one hundred twenty-five billion, one hundred twenty-five million, one hundred thirty-nine", and thus it is an aban number.