128454260158 has 32 divisors (see below), whose sum is σ = 226583697600. Its totient is φ = 53478297600.

The previous prime is 128454260149. The next prime is 128454260161. The reversal of 128454260158 is 851062454821.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 782083 + ... + 931966.

It is an arithmetic number, because the mean of its divisors is an integer number (7080740550).

Almost surely, 2^128454260158 is an apocalyptic number.

128454260158 is a deficient number, since it is larger than the sum of its proper divisors (98129437442).

128454260158 is a wasteful number, since it uses less digits than its factorization.

128454260158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714212.

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 128454260158 in words is "one hundred twenty-eight billion, four hundred fifty-four million, two hundred sixty thousand, one hundred fifty-eight".