128552696 has 8 divisors (see below), whose sum is σ = 241036320. Its totient is φ = 64276344.

The previous prime is 128552687. The next prime is 128552707. The reversal of 128552696 is 696255821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8034536 + ... + 8034551.

It is an arithmetic number, because the mean of its divisors is an integer number (30129540).

Almost surely, 2^128552696 is an apocalyptic number.

It is an amenable number.

128552696 is a deficient number, since it is larger than the sum of its proper divisors (112483624).

128552696 is a wasteful number, since it uses less digits than its factorization.

128552696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069093 (or 16069089 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 128552696 is about 11338.1081314300. The cubic root of 128552696 is about 504.6927464704.

It can be divided in two parts, 12855 and 2696, that added together give a palindrome (15551).

The spelling of 128552696 in words is "one hundred twenty-eight million, five hundred fifty-two thousand, six hundred ninety-six".