139133696 has 72 divisors (see below), whose sum is σ = 302871744. Its totient is φ = 63406080.

The previous prime is 139133651. The next prime is 139133711. The reversal of 139133696 is 696331931.

It is a happy number.

139133696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322601 + ... + 323031.

It is an arithmetic number, because the mean of its divisors is an integer number (4206552).

Almost surely, 2^139133696 is an apocalyptic number.

139133696 is a gapful number since it is divisible by the number (16) 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 139133696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151435872).

139133696 is an abundant number, since it is smaller than the sum of its proper divisors (163738048).

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

139133696 is an equidigital number, since it uses as much as digits as its factorization.

139133696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 543 counting only the distinct ones).

The product of its digits is 78732, while the sum is 41.

The square root of 139133696 is about 11795.4947331598. The cubic root of 139133696 is about 518.1761747765.

The spelling of 139133696 in words is "one hundred thirty-nine million, one hundred thirty-three thousand, six hundred ninety-six".