128034577735645 has 64 divisors (see below), whose sum is σ = 183616327802880. Its totient is φ = 83798538202368.

The previous prime is 128034577735639. The next prime is 128034577735697. The reversal of 128034577735645 is 546537775430821.

It is a cyclic number.

It is not a de Polignac number, because 128034577735645 - 2¹³ = 128034577727453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1353627024 + ... + 1353721606.

It is an arithmetic number, because the mean of its divisors is an integer number (2869005121920).

Almost surely, 2^{128034577735645} is an apocalyptic number.

It is an amenable number.

128034577735645 is a deficient number, since it is larger than the sum of its proper divisors (55581750067235).

128034577735645 is a wasteful number, since it uses less digits than its factorization.

128034577735645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98194.

The product of its (nonzero) digits is 592704000, while the sum is 67.

The spelling of 128034577735645 in words is "one hundred twenty-eight trillion, thirty-four billion, five hundred seventy-seven million, seven hundred thirty-five thousand, six hundred forty-five".