89139065 has 16 divisors (see below), whose sum is σ = 108691200. Its totient is φ = 70171200.

The previous prime is 89139049. The next prime is 89139077. The reversal of 89139065 is 56093198.

It is not a de Polignac number, because 89139065 - 2⁴ = 89139049 is a prime.

It is an unprimeable number.

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, 100052 + ... + 100938.

It is an arithmetic number, because the mean of its divisors is an integer number (6793200).

Almost surely, 2^89139065 is an apocalyptic number.

It is an amenable number.

89139065 is a deficient number, since it is larger than the sum of its proper divisors (19552135).

89139065 is a wasteful number, since it uses less digits than its factorization.

89139065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 89139065 is about 9441.3486854368. The cubic root of 89139065 is about 446.7069315327.

The spelling of 89139065 in words is "eighty-nine million, one hundred thirty-nine thousand, sixty-five".