128710378 has 8 divisors (see below), whose sum is σ = 193114080. Its totient is φ = 64339020.

The previous prime is 128710363. The next prime is 128710391. The reversal of 128710378 is 873017821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×128710378² = 33132722809805768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9613 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (24139260).

Almost surely, 2^128710378 is an apocalyptic number.

128710378 is a deficient number, since it is larger than the sum of its proper divisors (64403702).

128710378 is an equidigital number, since it uses as much as digits as its factorization.

128710378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16172.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 128710378 is about 11345.0596296362. The cubic root of 128710378 is about 504.8990132347.

The spelling of 128710378 in words is "one hundred twenty-eight million, seven hundred ten thousand, three hundred seventy-eight".