125026390139 has 4 divisors (see below), whose sum is σ = 142887303024. Its totient is φ = 107165477256.

The previous prime is 125026390127. The next prime is 125026390141. The reversal of 125026390139 is 931093620521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125026390139 - 2⁸ = 125026389883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125026390096 and 125026390105.

It is not an unprimeable number, because it can be changed into a prime (125026390169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8930456432 + ... + 8930456445.

It is an arithmetic number, because the mean of its divisors is an integer number (35721825756).

Almost surely, 2^125026390139 is an apocalyptic number.

125026390139 is a deficient number, since it is larger than the sum of its proper divisors (17860912885).

125026390139 is an equidigital number, since it uses as much as digits as its factorization.

125026390139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17860912884.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 125026390139 in words is "one hundred twenty-five billion, twenty-six million, three hundred ninety thousand, one hundred thirty-nine".