128870436754 has 32 divisors (see below), whose sum is σ = 207581875200. Its totient is φ = 59823524880.

The previous prime is 128870436733. The next prime is 128870436763. The reversal of 128870436754 is 457634078821.

It is a junction number, because it is equal to n+sod(n) for n = 128870436695 and 128870436704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307557 + ... + 593575.

It is an arithmetic number, because the mean of its divisors is an integer number (6486933600).

Almost surely, 2^128870436754 is an apocalyptic number.

128870436754 is a deficient number, since it is larger than the sum of its proper divisors (78711438446).

128870436754 is a wasteful number, since it uses less digits than its factorization.

128870436754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286278.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 128870436754 in words is "one hundred twenty-eight billion, eight hundred seventy million, four hundred thirty-six thousand, seven hundred fifty-four".