139382016 has 72 divisors (see below), whose sum is σ = 374984064. Its totient is φ = 45957120.

The previous prime is 139381987. The next prime is 139382021. The reversal of 139382016 is 610283931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73561 + ... + 75431.

It is an arithmetic number, because the mean of its divisors is an integer number (5208112).

Almost surely, 2^139382016 is an apocalyptic number.

139382016 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 139382016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187492032).

139382016 is an abundant number, since it is smaller than the sum of its proper divisors (235602048).

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

139382016 is an equidigital number, since it uses as much as digits as its factorization.

139382016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 139382016 is about 11806.0160935008. The cubic root of 139382016 is about 518.4842646135.

The spelling of 139382016 in words is "one hundred thirty-nine million, three hundred eighty-two thousand, sixteen".