128299106474 has 144 divisors (see below), whose sum is σ = 254688198912. Its totient is φ = 47429553600.

The previous prime is 128299106449. The next prime is 128299106489. The reversal of 128299106474 is 474601992821.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 86279759 + ... + 86281245.

It is an arithmetic number, because the mean of its divisors is an integer number (1768668048).

Almost surely, 2^128299106474 is an apocalyptic number.

128299106474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128299106474 is a deficient number, since it is larger than the sum of its proper divisors (126389092438).

128299106474 is a wasteful number, since it uses less digits than its factorization.

128299106474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 128299106474 in words is "one hundred twenty-eight billion, two hundred ninety-nine million, one hundred six thousand, four hundred seventy-four".