139685005677 has 16 divisors (see below), whose sum is σ = 216030259712. Its totient is φ = 78628659120.

The previous prime is 139685005667. The next prime is 139685005727. The reversal of 139685005677 is 776500586931.

It is not a de Polignac number, because 139685005677 - 2¹⁴ = 139684989293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139685005667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49637899 + ... + 49640712.

It is an arithmetic number, because the mean of its divisors is an integer number (13501891232).

Almost surely, 2^139685005677 is an apocalyptic number.

It is an amenable number.

139685005677 is a deficient number, since it is larger than the sum of its proper divisors (76345254035).

139685005677 is an equidigital number, since it uses as much as digits as its factorization.

139685005677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99278688.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 139685005677 in words is "one hundred thirty-nine billion, six hundred eighty-five million, five thousand, six hundred seventy-seven".