139677707207808 has 2304 divisors, whose sum is σ = 534961521469440. Its totient is φ = 35278385725440.

The previous prime is 139677707207807. The next prime is 139677707207813. The reversal of 139677707207808 is 808702707776931.

139677707207808 is a `hidden beast` number, since 1 + 396 + 77 + 70 + 7 + 20 + 7 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (139677707207803) by changing a digit.

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 287 ways as a sum of consecutive naturals, for example, 446254655460 + ... + 446254655772.

It is an arithmetic number, because the mean of its divisors is an integer number (232188160360).

Almost surely, 2^{139677707207808} is an apocalyptic number.

139677707207808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139677707207808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267480760734720).

139677707207808 is an abundant number, since it is smaller than the sum of its proper divisors (395283814261632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139677707207808 is an equidigital number, since it uses as much as digits as its factorization.

139677707207808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 348509952, while the sum is 72.

The spelling of 139677707207808 in words is "one hundred thirty-nine trillion, six hundred seventy-seven billion, seven hundred seven million, two hundred seven thousand, eight hundred eight".