139530552048 has 100 divisors (see below), whose sum is σ = 404518342800. Its totient is φ = 46432279296.

The previous prime is 139530552017. The next prime is 139530552107. The reversal of 139530552048 is 840255035931.

139530552048 is a `hidden beast` number, since 1 + 3 + 9 + 53 + 0 + 552 + 0 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 139530551994 and 139530552012.

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 19 ways as a sum of consecutive naturals, for example, 686436 + ... + 866172.

It is an arithmetic number, because the mean of its divisors is an integer number (4045183428).

Almost surely, 2^139530552048 is an apocalyptic number.

139530552048 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 139530552048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202259171400).

139530552048 is an abundant number, since it is smaller than the sum of its proper divisors (264987790752).

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

139530552048 is a wasteful number, since it uses less digits than its factorization.

139530552048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180356 (or 180341 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

Adding to 139530552048 its reverse (840255035931), we get a palindrome (979785587979).

The spelling of 139530552048 in words is "one hundred thirty-nine billion, five hundred thirty million, five hundred fifty-two thousand, forty-eight".