703138408128 has 672 divisors, whose sum is σ = 2376489024000. Its totient is φ = 204498100224.

The previous prime is 703138408069. The next prime is 703138408139. The reversal of 703138408128 is 821804831307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 413853423 + ... + 413855121.

It is an arithmetic number, because the mean of its divisors is an integer number (3536442000).

Almost surely, 2^703138408128 is an apocalyptic number.

703138408128 is a gapful number since it is divisible by the number (78) 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 703138408128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188244512000).

703138408128 is an abundant number, since it is smaller than the sum of its proper divisors (1673350615872).

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

703138408128 is a wasteful number, since it uses less digits than its factorization.

703138408128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 703138408128 in words is "seven hundred three billion, one hundred thirty-eight million, four hundred eight thousand, one hundred twenty-eight".