139002637625 has 16 divisors (see below), whose sum is σ = 174022582032. Its totient is φ = 110851283200.

The previous prime is 139002637601. The next prime is 139002637649. The reversal of 139002637625 is 526736200931.

It is an interprime number because it is at equal distance from previous prime (139002637601) and next prime (139002637649).

It can be written as a sum of positive squares in 8 ways, for example, as 122430709801 + 16571927824 = 349901^2 + 128732^2 .

It is not a de Polignac number, because 139002637625 - 2²⁰ = 139001589049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714352 + ... + 1793601.

It is an arithmetic number, because the mean of its divisors is an integer number (10876411377).

Almost surely, 2^139002637625 is an apocalyptic number.

It is an amenable number.

139002637625 is a deficient number, since it is larger than the sum of its proper divisors (35019944407).

139002637625 is an equidigital number, since it uses as much as digits as its factorization.

139002637625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508285 (or 3508275 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 139002637625 in words is "one hundred thirty-nine billion, two million, six hundred thirty-seven thousand, six hundred twenty-five".