128037637007 has 8 divisors (see below), whose sum is σ = 146333663232. Its totient is φ = 109742844600.

The previous prime is 128037636997. The next prime is 128037637037. The reversal of 128037637007 is 700736730821.

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

It is a cyclic number.

It is not a de Polignac number, because 128037637007 - 2²⁰ = 128036588431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128037637037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74219 + ... + 511452.

It is an arithmetic number, because the mean of its divisors is an integer number (18291707904).

Almost surely, 2^128037637007 is an apocalyptic number.

128037637007 is a deficient number, since it is larger than the sum of its proper divisors (18296026225).

128037637007 is an equidigital number, since it uses as much as digits as its factorization.

128037637007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616909.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 128037637007 in words is "one hundred twenty-eight billion, thirty-seven million, six hundred thirty-seven thousand, seven".