36118969 has 4 divisors (see below), whose sum is σ = 36132480. Its totient is φ = 36105460.

The previous prime is 36118967. The next prime is 36118987. The reversal of 36118969 is 96981163.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96981163 = 47 ⋅2063429.

It is a cyclic number.

It is not a de Polignac number, because 36118969 - 2¹ = 36118967 is a prime.

It is a super-2 number, since 2×36118969² = 2609159843245922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36118967) 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, 1249 + ... + 8590.

It is an arithmetic number, because the mean of its divisors is an integer number (9033120).

Almost surely, 2^36118969 is an apocalyptic number.

It is an amenable number.

36118969 is a deficient number, since it is larger than the sum of its proper divisors (13511).

36118969 is an equidigital number, since it uses as much as digits as its factorization.

36118969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510.

The product of its digits is 69984, while the sum is 43.

The square root of 36118969 is about 6009.9059060854. The cubic root of 36118969 is about 330.5560536406.

The spelling of 36118969 in words is "thirty-six million, one hundred eighteen thousand, nine hundred sixty-nine".