139078116 has 72 divisors (see below), whose sum is σ = 363601784. Its totient is φ = 44789760.

The previous prime is 139078091. The next prime is 139078127. The reversal of 139078116 is 611870931.

It can be written as a sum of positive squares in 4 ways, for example, as 24502500 + 114575616 = 4950^2 + 10704^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 256806 + ... + 257346.

Almost surely, 2^139078116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139078116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181800892).

139078116 is an abundant number, since it is smaller than the sum of its proper divisors (224523668).

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

139078116 is a wasteful number, since it uses less digits than its factorization.

139078116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 139078116 is about 11793.1385135595. The cubic root of 139078116 is about 518.1071666487.

The spelling of 139078116 in words is "one hundred thirty-nine million, seventy-eight thousand, one hundred sixteen".