139116432 has 80 divisors (see below), whose sum is σ = 442332800. Its totient is φ = 36688896.

The previous prime is 139116427. The next prime is 139116433. The reversal of 139116432 is 234611931.

139116432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139116432.

It is not an unprimeable number, because it can be changed into a prime (139116433) 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 15 ways as a sum of consecutive naturals, for example, 11557 + ... + 20292.

It is an arithmetic number, because the mean of its divisors is an integer number (5529160).

Almost surely, 2^139116432 is an apocalyptic number.

139116432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139116432 is an abundant number, since it is smaller than the sum of its proper divisors (303216368).

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

139116432 is a wasteful number, since it uses less digits than its factorization.

139116432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31880 (or 31874 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 139116432 is about 11794.7629056289. The cubic root of 139116432 is about 518.1547417621.

The spelling of 139116432 in words is "one hundred thirty-nine million, one hundred sixteen thousand, four hundred thirty-two".