36540909 has 32 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 23336640.

The previous prime is 36540901. The next prime is 36540947. The reversal of 36540909 is 90904563.

It is not a de Polignac number, because 36540909 - 2³ = 36540901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36540901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124567 + ... + 124859.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^36540909 is an apocalyptic number.

It is an amenable number.

36540909 is a deficient number, since it is larger than the sum of its proper divisors (19907091).

36540909 is a wasteful number, since it uses less digits than its factorization.

36540909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 36540909 is about 6044.9076916029. The cubic root of 36540909 is about 331.8382534564.

The spelling of 36540909 in words is "thirty-six million, five hundred forty thousand, nine hundred nine".