128034508147238 has 48 divisors (see below), whose sum is σ = 244622904368400. Its totient is φ = 49698133692480.

The previous prime is 128034508147229. The next prime is 128034508147277. The reversal of 128034508147238 is 832741805430821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220472873 + ... + 221052836.

It is an arithmetic number, because the mean of its divisors is an integer number (5096310507675).

Almost surely, 2^{128034508147238} is an apocalyptic number.

128034508147238 is a deficient number, since it is larger than the sum of its proper divisors (116588396221162).

128034508147238 is a wasteful number, since it uses less digits than its factorization.

128034508147238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441526005 (or 441525998 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 128034508147238 in words is "one hundred twenty-eight trillion, thirty-four billion, five hundred eight million, one hundred forty-seven thousand, two hundred thirty-eight".