128034837421830 has 96 divisors (see below), whose sum is σ = 334036319722560. Its totient is φ = 34025117978880.

The previous prime is 128034837421823. The next prime is 128034837421831. The reversal of 128034837421830 is 38124738430821.

It is a happy number.

128034837421830 is a `hidden beast` number, since 1 + 2 + 80 + 3 + 483 + 7 + 4 + 2 + 1 + 83 + 0 = 666.

It is a super-2 number, since 2×128034837421830² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128034837421831) by changing a digit.

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, 1756970295 + ... + 1757043165.

It is an arithmetic number, because the mean of its divisors is an integer number (3479544997110).

Almost surely, 2^{128034837421830} is an apocalyptic number.

128034837421830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128034837421830 is an abundant number, since it is smaller than the sum of its proper divisors (206001482300730).

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

128034837421830 is a wasteful number, since it uses less digits than its factorization.

128034837421830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139806 (or 139803 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 128034837421830 in words is "one hundred twenty-eight trillion, thirty-four billion, eight hundred thirty-seven million, four hundred twenty-one thousand, eight hundred thirty".