128596540737 has 8 divisors (see below), whose sum is σ = 195956633536. Its totient is φ = 73483737552.

The previous prime is 128596540729. The next prime is 128596540739. The reversal of 128596540737 is 737045695821.

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

It is not a de Polignac number, because 128596540737 - 2³ = 128596540729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128596540739) 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, 3061822378 + ... + 3061822419.

It is an arithmetic number, because the mean of its divisors is an integer number (24494579192).

It is a 1-persistent number, because it is pandigital, but 2⋅128596540737 = 257193081474 is not.

Almost surely, 2^128596540737 is an apocalyptic number.

It is an amenable number.

128596540737 is a deficient number, since it is larger than the sum of its proper divisors (67360092799).

128596540737 is an equidigital number, since it uses as much as digits as its factorization.

128596540737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123644807.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 128596540737 in words is "one hundred twenty-eight billion, five hundred ninety-six million, five hundred forty thousand, seven hundred thirty-seven".