128875267137 has 8 divisors (see below), whose sum is σ = 171835534240. Its totient is φ = 85915922400.

The previous prime is 128875267123. The next prime is 128875267151. The reversal of 128875267137 is 731762578821.

It is an interprime number because it is at equal distance from previous prime (128875267123) and next prime (128875267151).

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

It is not a de Polignac number, because 128875267137 - 2⁷ = 128875267009 is a prime.

It is a super-2 number, since 2×128875267137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128875267177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222762 + ... + 554412.

It is an arithmetic number, because the mean of its divisors is an integer number (21479441780).

Almost surely, 2^128875267137 is an apocalyptic number.

It is an amenable number.

128875267137 is a deficient number, since it is larger than the sum of its proper divisors (42960267103).

128875267137 is a wasteful number, since it uses less digits than its factorization.

128875267137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461183.

The product of its digits is 7902720, while the sum is 57.

The spelling of 128875267137 in words is "one hundred twenty-eight billion, eight hundred seventy-five million, two hundred sixty-seven thousand, one hundred thirty-seven".