139247247552 has 224 divisors, whose sum is σ = 424159680000. Its totient is φ = 39493066752.

The previous prime is 139247247541. The next prime is 139247247553. The reversal of 139247247552 is 255742742931.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 139247247495 and 139247247504.

It is not an unprimeable number, because it can be changed into a prime (139247247553) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 132742324 + ... + 132743372.

It is an arithmetic number, because the mean of its divisors is an integer number (1893570000).

Almost surely, 2^139247247552 is an apocalyptic number.

139247247552 is a gapful number since it is divisible by the number (12) 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 139247247552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212079840000).

139247247552 is an abundant number, since it is smaller than the sum of its proper divisors (284912432448).

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

139247247552 is a wasteful number, since it uses less digits than its factorization.

139247247552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1693 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The spelling of 139247247552 in words is "one hundred thirty-nine billion, two hundred forty-seven million, two hundred forty-seven thousand, five hundred fifty-two".