128640314470701 has 64 divisors (see below), whose sum is σ = 203322357964800. Its totient is φ = 71475227366400.

The previous prime is 128640314470699. The next prime is 128640314470807. The reversal of 128640314470701 is 107074413046821.

It is a happy number.

It is not a de Polignac number, because 128640314470701 - 2¹ = 128640314470699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128640314470201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 601215505 + ... + 601429433.

It is an arithmetic number, because the mean of its divisors is an integer number (3176911843200).

Almost surely, 2^{128640314470701} is an apocalyptic number.

128640314470701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

128640314470701 is a deficient number, since it is larger than the sum of its proper divisors (74682043494099).

128640314470701 is a wasteful number, since it uses less digits than its factorization.

128640314470701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244930.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 128640314470701 in words is "one hundred twenty-eight trillion, six hundred forty billion, three hundred fourteen million, four hundred seventy thousand, seven hundred one".