139827557771 has 24 divisors (see below), whose sum is σ = 160827215472. Its totient is φ = 121346596800.

The previous prime is 139827557731. The next prime is 139827557773. The reversal of 139827557771 is 177755728931.

139827557771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139827557771 - 2⁶ = 139827557707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139827557773) 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 23 ways as a sum of consecutive naturals, for example, 57365 + ... + 531926.

It is an arithmetic number, because the mean of its divisors is an integer number (6701133978).

Almost surely, 2^139827557771 is an apocalyptic number.

139827557771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139827557771 is a deficient number, since it is larger than the sum of its proper divisors (20999657701).

139827557771 is a wasteful number, since it uses less digits than its factorization.

139827557771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589403 (or 589392 counting only the distinct ones).

The product of its digits is 25930800, while the sum is 62.

The spelling of 139827557771 in words is "one hundred thirty-nine billion, eight hundred twenty-seven million, five hundred fifty-seven thousand, seven hundred seventy-one".