128649134614 has 64 divisors (see below), whose sum is σ = 259264696320. Its totient is φ = 46237576320.

The previous prime is 128649134591. The next prime is 128649134623. The reversal of 128649134614 is 416431946821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3209307 + ... + 3249145.

It is an arithmetic number, because the mean of its divisors is an integer number (4051010880).

Almost surely, 2^128649134614 is an apocalyptic number.

128649134614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128649134614 is an abundant number, since it is smaller than the sum of its proper divisors (130615561706).

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

128649134614 is a wasteful number, since it uses less digits than its factorization.

128649134614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41485.

The product of its digits is 995328, while the sum is 49.

The spelling of 128649134614 in words is "one hundred twenty-eight billion, six hundred forty-nine million, one hundred thirty-four thousand, six hundred fourteen".