128101340265 has 8 divisors (see below), whose sum is σ = 204962144448. Its totient is φ = 68320714800.

The previous prime is 128101340251. The next prime is 128101340281. The reversal of 128101340265 is 562043101821.

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

It is not a de Polignac number, because 128101340265 - 2⁵ = 128101340233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270044661 + ... + 4270044690.

It is an arithmetic number, because the mean of its divisors is an integer number (25620268056).

Almost surely, 2^128101340265 is an apocalyptic number.

128101340265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128101340265 is a deficient number, since it is larger than the sum of its proper divisors (76860804183).

128101340265 is an equidigital number, since it uses as much as digits as its factorization.

128101340265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8540089359.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 128101340265 in words is "one hundred twenty-eight billion, one hundred one million, three hundred forty thousand, two hundred sixty-five".