128358147730 has 32 divisors (see below), whose sum is σ = 240559946928. Its totient is φ = 49269811200.

The previous prime is 128358147647. The next prime is 128358147821. The reversal of 128358147730 is 37741853821.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4329508401 + 124028639329 = 65799^2 + 352177^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541127 + ... + 2591146.

Almost surely, 2^128358147730 is an apocalyptic number.

128358147730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128358147730 is a deficient number, since it is larger than the sum of its proper divisors (112201799198).

128358147730 is a wasteful number, since it uses less digits than its factorization.

128358147730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132382.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 128358147730 in words is "one hundred twenty-eight billion, three hundred fifty-eight million, one hundred forty-seven thousand, seven hundred thirty".