139177108085 has 16 divisors (see below), whose sum is σ = 167740675200. Its totient is φ = 110857102656.

The previous prime is 139177107977. The next prime is 139177108117. The reversal of 139177108085 is 580801771931.

It is a cyclic number.

It is not a de Polignac number, because 139177108085 - 2¹⁰ = 139177107061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277486 + ... + 1382144.

It is an arithmetic number, because the mean of its divisors is an integer number (10483792200).

Almost surely, 2^139177108085 is an apocalyptic number.

It is an amenable number.

139177108085 is a deficient number, since it is larger than the sum of its proper divisors (28563567115).

139177108085 is a wasteful number, since it uses less digits than its factorization.

139177108085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105820.

The product of its (nonzero) digits is 423360, while the sum is 50.

The spelling of 139177108085 in words is "one hundred thirty-nine billion, one hundred seventy-seven million, one hundred eight thousand, eighty-five".