139056062805 has 24 divisors (see below), whose sum is σ = 262942374240. Its totient is φ = 67421121120.

The previous prime is 139056062797. The next prime is 139056062837. The reversal of 139056062805 is 508260650931.

139056062805 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 560 + 6 + 2 + 80 + 5 = 666.

It is not a de Polignac number, because 139056062805 - 2³ = 139056062797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 140460175 + ... + 140461164.

It is an arithmetic number, because the mean of its divisors is an integer number (10955932260).

Almost surely, 2^139056062805 is an apocalyptic number.

139056062805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139056062805 is a deficient number, since it is larger than the sum of its proper divisors (123886311435).

139056062805 is a wasteful number, since it uses less digits than its factorization.

139056062805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280921361 (or 280921358 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 139056062805 in words is "one hundred thirty-nine billion, fifty-six million, sixty-two thousand, eight hundred five".