128093537 has 16 divisors (see below), whose sum is σ = 151284672. Its totient is φ = 106921920.

The previous prime is 128093533. The next prime is 128093549. The reversal of 128093537 is 735390821.

It is a cyclic number.

It is not a de Polignac number, because 128093537 - 2² = 128093533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128093537.

It is not an unprimeable number, because it can be changed into a prime (128093533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25898 + ... + 30444.

It is an arithmetic number, because the mean of its divisors is an integer number (9455292).

Almost surely, 2^128093537 is an apocalyptic number.

It is an amenable number.

128093537 is a deficient number, since it is larger than the sum of its proper divisors (23191135).

128093537 is a wasteful number, since it uses less digits than its factorization.

128093537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 128093537 is about 11317.8415344976. The cubic root of 128093537 is about 504.0911496876.

The spelling of 128093537 in words is "one hundred twenty-eight million, ninety-three thousand, five hundred thirty-seven".