128769145302 has 64 divisors (see below), whose sum is σ = 313365072384. Its totient is φ = 34435653120.

The previous prime is 128769145277. The next prime is 128769145321. The reversal of 128769145302 is 203541967821.

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, 368968 + ... + 627435.

It is an arithmetic number, because the mean of its divisors is an integer number (4896329256).

It is a 1-persistent number, because it is pandigital, but 2⋅128769145302 = 257538290604 is not.

Almost surely, 2^128769145302 is an apocalyptic number.

128769145302 is an abundant number, since it is smaller than the sum of its proper divisors (184595927082).

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

128769145302 is a wasteful number, since it uses less digits than its factorization.

128769145302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996613.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 128769145302 in words is "one hundred twenty-eight billion, seven hundred sixty-nine million, one hundred forty-five thousand, three hundred two".