128351738467458 has 96 divisors (see below), whose sum is σ = 326770644245760. Its totient is φ = 35990472964320.

The previous prime is 128351738467429. The next prime is 128351738467523. The reversal of 128351738467458 is 854764837153821.

128351738467458 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 51 + 73 + 8 + 467 + 45 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 396558616 + ... + 396882147.

It is an arithmetic number, because the mean of its divisors is an integer number (3403860877560).

Almost surely, 2^{128351738467458} is an apocalyptic number.

128351738467458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

128351738467458 is an abundant number, since it is smaller than the sum of its proper divisors (198418905778302).

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

128351738467458 is a wasteful number, since it uses less digits than its factorization.

128351738467458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793440844 (or 793440841 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 72.

The spelling of 128351738467458 in words is "one hundred twenty-eight trillion, three hundred fifty-one billion, seven hundred thirty-eight million, four hundred sixty-seven thousand, four hundred fifty-eight".