139936479800 has 96 divisors (see below), whose sum is σ = 353781835680. Its totient is φ = 51167116800.

The previous prime is 139936479791. The next prime is 139936479811. The reversal of 139936479800 is 8974639931.

It is a self number, because there is not a number n which added to its sum of digits gives 139936479800.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6530 + ... + 529070.

It is an arithmetic number, because the mean of its divisors is an integer number (3685227455).

Almost surely, 2^139936479800 is an apocalyptic number.

139936479800 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 139936479800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176890917840).

139936479800 is an abundant number, since it is smaller than the sum of its proper divisors (213845355880).

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

139936479800 is a wasteful number, since it uses less digits than its factorization.

139936479800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522673 (or 522664 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 139936479800 in words is "one hundred thirty-nine billion, nine hundred thirty-six million, four hundred seventy-nine thousand, eight hundred".