139397161177 has 4 divisors (see below), whose sum is σ = 140461261776. Its totient is φ = 138333060580.

The previous prime is 139397161171. The next prime is 139397161181. The reversal of 139397161177 is 771161793931.

It is a happy number.

139397161177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139397161177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139397161171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532050103 + ... + 532050364.

It is an arithmetic number, because the mean of its divisors is an integer number (35115315444).

Almost surely, 2^139397161177 is an apocalyptic number.

It is an amenable number.

139397161177 is a deficient number, since it is larger than the sum of its proper divisors (1064100599).

139397161177 is a wasteful number, since it uses less digits than its factorization.

139397161177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064100598.

The product of its digits is 1500282, while the sum is 55.

The spelling of 139397161177 in words is "one hundred thirty-nine billion, three hundred ninety-seven million, one hundred sixty-one thousand, one hundred seventy-seven".