713840128 has 40 divisors (see below), whose sum is σ = 1439483760. Its totient is φ = 353617920.

The previous prime is 713840107. The next prime is 713840137. The reversal of 713840128 is 821048317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 713840093 and 713840102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49413 + ... + 62203.

It is an arithmetic number, because the mean of its divisors is an integer number (35987094).

Almost surely, 2^713840128 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 713840128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719741880).

713840128 is an abundant number, since it is smaller than the sum of its proper divisors (725643632).

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

713840128 is a wasteful number, since it uses less digits than its factorization.

713840128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918 (or 12902 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 713840128 is about 26717.7867346829. The cubic root of 713840128 is about 893.7176178921.

The spelling of 713840128 in words is "seven hundred thirteen million, eight hundred forty thousand, one hundred twenty-eight".