139127508004 has 81 divisors (see below), whose sum is σ = 258879418707. Its totient is φ = 65420865216.

The previous prime is 139127507993. The next prime is 139127508011. The reversal of 139127508004 is 400805721931.

The square root of 139127508004 is 372998.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7038874404 + 132088633600 = 83898^2 + 363440^2 .

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 26 ways as a sum of consecutive naturals, for example, 1276399102 + ... + 1276399210.

Almost surely, 2^139127508004 is an apocalyptic number.

139127508004 is the 372998-th square number.

It is an amenable number.

139127508004 is a deficient number, since it is larger than the sum of its proper divisors (119751910703).

139127508004 is an equidigital number, since it uses as much as digits as its factorization.

139127508004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 139127508004 in words is "one hundred thirty-nine billion, one hundred twenty-seven million, five hundred eight thousand, four".