139716080 has 80 divisors (see below), whose sum is σ = 372833280. Its totient is φ = 47698176.

The previous prime is 139716077. The next prime is 139716089. The reversal of 139716080 is 80617931.

139716080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 139716080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139716089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193961 + ... + 194679.

It is an arithmetic number, because the mean of its divisors is an integer number (4660416).

Almost surely, 2^139716080 is an apocalyptic number.

139716080 is a gapful number since it is divisible by the number (10) 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 139716080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186416640).

139716080 is an abundant number, since it is smaller than the sum of its proper divisors (233117200).

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

139716080 is a wasteful number, since it uses less digits than its factorization.

139716080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 139716080 is about 11820.1556673337. The cubic root of 139716080 is about 518.8981600316.

The spelling of 139716080 in words is "one hundred thirty-nine million, seven hundred sixteen thousand, eighty".