139196235552 has 192 divisors, whose sum is σ = 425549593728. Its totient is φ = 39698841600.

The previous prime is 139196235547. The next prime is 139196235571. The reversal of 139196235552 is 255532691931.

It is a happy number.

139196235552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 139196235495 and 139196235504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2140152 + ... + 2204232.

It is an arithmetic number, because the mean of its divisors is an integer number (2216404134).

Almost surely, 2^139196235552 is an apocalyptic number.

139196235552 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 139196235552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212774796864).

139196235552 is an abundant number, since it is smaller than the sum of its proper divisors (286353358176).

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

139196235552 is a wasteful number, since it uses less digits than its factorization.

139196235552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64144 (or 64114 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 51.

The spelling of 139196235552 in words is "one hundred thirty-nine billion, one hundred ninety-six million, two hundred thirty-five thousand, five hundred fifty-two".