128351135 has 8 divisors (see below), whose sum is σ = 168023376. Its totient is φ = 93346240.

The previous prime is 128351131. The next prime is 128351143. The reversal of 128351135 is 531153821.

It is a happy number.

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

It is not a de Polignac number, because 128351135 - 2² = 128351131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128351098 and 128351107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128351131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166774 + ... + 1166883.

It is an arithmetic number, because the mean of its divisors is an integer number (21002922).

Almost surely, 2^128351135 is an apocalyptic number.

128351135 is a deficient number, since it is larger than the sum of its proper divisors (39672241).

128351135 is a wasteful number, since it uses less digits than its factorization.

128351135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333673.

The product of its digits is 3600, while the sum is 29.

The square root of 128351135 is about 11329.2159922918. The cubic root of 128351135 is about 504.4288350145.

The spelling of 128351135 in words is "one hundred twenty-eight million, three hundred fifty-one thousand, one hundred thirty-five".