139713280 has 144 divisors (see below), whose sum is σ = 395587584. Its totient is φ = 46264320.

The previous prime is 139713263. The next prime is 139713307. The reversal of 139713280 is 82317931.

139713280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 277509 + ... + 278011.

It is an arithmetic number, because the mean of its divisors is an integer number (2747136).

Almost surely, 2^139713280 is an apocalyptic number.

139713280 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 139713280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197793792).

139713280 is an abundant number, since it is smaller than the sum of its proper divisors (255874304).

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

139713280 is an equidigital number, since it uses as much as digits as its factorization.

139713280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 139713280 is about 11820.0372249837. The cubic root of 139713280 is about 518.8946936576.

The spelling of 139713280 in words is "one hundred thirty-nine million, seven hundred thirteen thousand, two hundred eighty".