139604126145508 has 12 divisors (see below), whose sum is σ = 258678233740332. Its totient is φ = 65696059362560.

The previous prime is 139604126145481. The next prime is 139604126145619. The reversal of 139604126145508 is 805541621406931.

It can be written as a sum of positive squares in 2 ways, for example, as 126531721871424 + 13072404274084 = 11248632^2 + 3615578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026500927473 + ... + 1026500927608.

It is an arithmetic number, because the mean of its divisors is an integer number (21556519478361).

Almost surely, 2^{139604126145508} is an apocalyptic number.

It is an amenable number.

139604126145508 is a deficient number, since it is larger than the sum of its proper divisors (119074107594824).

139604126145508 is a wasteful number, since it uses less digits than its factorization.

139604126145508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053001855102 (or 2053001855100 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 139604126145508 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, five hundred eight".