128014434281 has 8 divisors (see below), whose sum is σ = 130996872864. Its totient is φ = 125032239360.

The previous prime is 128014434269. The next prime is 128014434299. The reversal of 128014434281 is 182434410821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128014434281 - 2¹⁴ = 128014417897 is a prime.

It is a super-2 number, since 2×128014434281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128014434781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411886 + ... + 1499816.

It is an arithmetic number, because the mean of its divisors is an integer number (16374609108).

Almost surely, 2^128014434281 is an apocalyptic number.

It is an amenable number.

128014434281 is a deficient number, since it is larger than the sum of its proper divisors (2982438583).

128014434281 is an equidigital number, since it uses as much as digits as its factorization.

128014434281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121831.

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 128014434281 in words is "one hundred twenty-eight billion, fourteen million, four hundred thirty-four thousand, two hundred eighty-one".