128810714274 has 48 divisors (see below), whose sum is σ = 317699164224. Its totient is φ = 37336437600.

The previous prime is 128810714273. The next prime is 128810714287. The reversal of 128810714274 is 472417018821.

It is a super-2 number, since 2×128810714274² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128810714273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14138037 + ... + 14147144.

It is an arithmetic number, because the mean of its divisors is an integer number (6618732588).

Almost surely, 2^128810714274 is an apocalyptic number.

128810714274 is an abundant number, since it is smaller than the sum of its proper divisors (188888449950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128810714274 is a wasteful number, since it uses less digits than its factorization.

128810714274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28285223 (or 28285220 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The spelling of 128810714274 in words is "one hundred twenty-eight billion, eight hundred ten million, seven hundred fourteen thousand, two hundred seventy-four".