128849153 has 4 divisors (see below), whose sum is σ = 128948160. Its totient is φ = 128750148.

The previous prime is 128849143. The next prime is 128849159. The reversal of 128849153 is 351948821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 128849153 - 2¹⁰ = 128848129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128849153.

It is not an unprimeable number, because it can be changed into a prime (128849159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47525 + ... + 50162.

It is an arithmetic number, because the mean of its divisors is an integer number (32237040).

Almost surely, 2^128849153 is an apocalyptic number.

It is an amenable number.

128849153 is a deficient number, since it is larger than the sum of its proper divisors (99007).

128849153 is an equidigital number, since it uses as much as digits as its factorization.

128849153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99006.

The product of its digits is 69120, while the sum is 41.

The square root of 128849153 is about 11351.1740802439. The cubic root of 128849153 is about 505.0804080702.

The spelling of 128849153 in words is "one hundred twenty-eight million, eight hundred forty-nine thousand, one hundred fifty-three".