139130573905 has 4 divisors (see below), whose sum is σ = 166956688692. Its totient is φ = 111304459120.

The previous prime is 139130573891. The next prime is 139130573917. The reversal of 139130573905 is 509375031931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509375031931 = 1543 ⋅330119917.

It can be written as a sum of positive squares in 2 ways, for example, as 15609253969 + 123521319936 = 124937^2 + 351456^2 .

It is not a de Polignac number, because 139130573905 - 2²³ = 139122185297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 13913057386 + ... + 13913057395.

It is an arithmetic number, because the mean of its divisors is an integer number (41739172173).

Almost surely, 2^139130573905 is an apocalyptic number.

It is an amenable number.

139130573905 is a deficient number, since it is larger than the sum of its proper divisors (27826114787).

139130573905 is an equidigital number, since it uses as much as digits as its factorization.

139130573905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27826114786.

The product of its (nonzero) digits is 382725, while the sum is 46.

The spelling of 139130573905 in words is "one hundred thirty-nine billion, one hundred thirty million, five hundred seventy-three thousand, nine hundred five".