36128089 has 4 divisors (see below), whose sum is σ = 36190224. Its totient is φ = 36065956.

The previous prime is 36128083. The next prime is 36128117. The reversal of 36128089 is 98082163.

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 36128089 - 2¹⁵ = 36095321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36128083) 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, 30187 + ... + 31360.

It is an arithmetic number, because the mean of its divisors is an integer number (9047556).

Almost surely, 2^36128089 is an apocalyptic number.

It is an amenable number.

36128089 is a deficient number, since it is larger than the sum of its proper divisors (62135).

36128089 is an equidigital number, since it uses as much as digits as its factorization.

36128089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62134.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 36128089 is about 6010.6646055158. The cubic root of 36128089 is about 330.5838729794.

The spelling of 36128089 in words is "thirty-six million, one hundred twenty-eight thousand, eighty-nine".