128151067469 has 32 divisors (see below), whose sum is σ = 135431577600. Its totient is φ = 121141500480.

The previous prime is 128151067453. The next prime is 128151067481. The reversal of 128151067469 is 964760151821.

It is a cyclic number.

It is not a de Polignac number, because 128151067469 - 2⁴ = 128151067453 is a prime.

It is a super-2 number, since 2×128151067469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128151067439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92795159 + ... + 92796539.

It is an arithmetic number, because the mean of its divisors is an integer number (4232236800).

Almost surely, 2^128151067469 is an apocalyptic number.

It is an amenable number.

128151067469 is a deficient number, since it is larger than the sum of its proper divisors (7280510131).

128151067469 is a wasteful number, since it uses less digits than its factorization.

128151067469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 128151067469 in words is "one hundred twenty-eight billion, one hundred fifty-one million, sixty-seven thousand, four hundred sixty-nine".