139318032 has 160 divisors (see below), whose sum is σ = 438860800. Its totient is φ = 37200384.

The previous prime is 139318031. The next prime is 139318097. The reversal of 139318032 is 230813931.

139318032 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (139318031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887298 + ... + 887454.

It is an arithmetic number, because the mean of its divisors is an integer number (2742880).

Almost surely, 2^139318032 is an apocalyptic number.

139318032 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 139318032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219430400).

139318032 is an abundant number, since it is smaller than the sum of its proper divisors (299542768).

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

139318032 is a wasteful number, since it uses less digits than its factorization.

139318032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 327 counting only the distinct ones).

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

The square root of 139318032 is about 11803.3059775641. The cubic root of 139318032 is about 518.4049148863.

The spelling of 139318032 in words is "one hundred thirty-nine million, three hundred eighteen thousand, thirty-two".