36138589 has 16 divisors (see below), whose sum is σ = 40682880. Its totient is φ = 31933440.

The previous prime is 36138563. The next prime is 36138593. The reversal of 36138589 is 98583163.

It is a cyclic number.

It is not a de Polignac number, because 36138589 - 2²¹ = 34041437 is a prime.

It is a super-2 number, since 2×36138589² = 2611995229821842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36138559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16909 + ... + 18925.

It is an arithmetic number, because the mean of its divisors is an integer number (2542680).

Almost surely, 2^36138589 is an apocalyptic number.

It is an amenable number.

36138589 is a deficient number, since it is larger than the sum of its proper divisors (4544291).

36138589 is a wasteful number, since it uses less digits than its factorization.

36138589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its digits is 155520, while the sum is 43.

The square root of 36138589 is about 6011.5379895664. The cubic root of 36138589 is about 330.6158960261.

The spelling of 36138589 in words is "thirty-six million, one hundred thirty-eight thousand, five hundred eighty-nine".