139639967600 has 120 divisors (see below), whose sum is σ = 387720139680. Its totient is φ = 47338536960.

The previous prime is 139639967587. The next prime is 139639967609. The reversal of 139639967600 is 6769936931.

It is a self number, because there is not a number n which added to its sum of digits gives 139639967600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139639967609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30977 + ... + 529376.

It is an arithmetic number, because the mean of its divisors is an integer number (3231001164).

Almost surely, 2^139639967600 is an apocalyptic number.

139639967600 is a gapful number since it is divisible by the number (10) 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 139639967600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193860069840).

139639967600 is an abundant number, since it is smaller than the sum of its proper divisors (248080172080).

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

139639967600 is a wasteful number, since it uses less digits than its factorization.

139639967600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560467 (or 560456 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 59.

The spelling of 139639967600 in words is "one hundred thirty-nine billion, six hundred thirty-nine million, nine hundred sixty-seven thousand, six hundred".