139675371305 has 4 divisors (see below), whose sum is σ = 167610445572. Its totient is φ = 111740297040.

The previous prime is 139675371301. The next prime is 139675371331. The reversal of 139675371305 is 503173576931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503173576931 = 37 ⋅13599285863.

It can be written as a sum of positive squares in 2 ways, for example, as 101549294224 + 38126077081 = 318668^2 + 195259^2 .

It is not a de Polignac number, because 139675371305 - 2² = 139675371301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139675371301) 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, 13967537126 + ... + 13967537135.

It is an arithmetic number, because the mean of its divisors is an integer number (41902611393).

Almost surely, 2^139675371305 is an apocalyptic number.

It is an amenable number.

139675371305 is a deficient number, since it is larger than the sum of its proper divisors (27935074267).

139675371305 is an equidigital number, since it uses as much as digits as its factorization.

139675371305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935074266.

The product of its (nonzero) digits is 1786050, while the sum is 50.

The spelling of 139675371305 in words is "one hundred thirty-nine billion, six hundred seventy-five million, three hundred seventy-one thousand, three hundred five".