128014434279 has 12 divisors (see below), whose sum is σ = 184914220296. Its totient is φ = 85340887632.

The previous prime is 128014434269. The next prime is 128014434299. The reversal of 128014434279 is 972434410821.

128014434279 is a `hidden beast` number, since 1 + 2 + 80 + 144 + 3 + 427 + 9 = 666.

It is not a de Polignac number, because 128014434279 - 2¹⁵ = 128014401511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128014434269) 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 11 ways as a sum of consecutive naturals, for example, 282832 + ... + 579674.

It is an arithmetic number, because the mean of its divisors is an integer number (15409518358).

Almost surely, 2^128014434279 is an apocalyptic number.

128014434279 is a deficient number, since it is larger than the sum of its proper divisors (56899786017).

128014434279 is a wasteful number, since it uses less digits than its factorization.

128014434279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344766 (or 344763 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 128014434279 in words is "one hundred twenty-eight billion, fourteen million, four hundred thirty-four thousand, two hundred seventy-nine".