128707054357 has 8 divisors (see below), whose sum is σ = 147158508096. Its totient is φ = 110271783552.

The previous prime is 128707054351. The next prime is 128707054379. The reversal of 128707054357 is 753450707821.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-128707054357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128707054357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128707054351) 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, 4028683 + ... + 4060504.

It is an arithmetic number, because the mean of its divisors is an integer number (18394813512).

Almost surely, 2^128707054357 is an apocalyptic number.

It is an amenable number.

128707054357 is a deficient number, since it is larger than the sum of its proper divisors (18451453739).

128707054357 is an equidigital number, since it uses as much as digits as its factorization.

128707054357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091467.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 128707054357 in words is "one hundred twenty-eight billion, seven hundred seven million, fifty-four thousand, three hundred fifty-seven".