36140009 has 8 divisors (see below), whose sum is σ = 37413888. Its totient is φ = 34881840.

The previous prime is 36139993. The next prime is 36140021. The reversal of 36140009 is 90004163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36140009 - 2⁴ = 36139993 is a prime.

It is a super-2 number, since 2×36140009² = 2612200501040162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36140029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854 + ... + 8544.

It is an arithmetic number, because the mean of its divisors is an integer number (4676736).

Almost surely, 2^36140009 is an apocalyptic number.

It is an amenable number.

36140009 is a deficient number, since it is larger than the sum of its proper divisors (1273879).

36140009 is a wasteful number, since it uses less digits than its factorization.

36140009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 36140009 is about 6011.6560946215. The cubic root of 36140009 is about 330.6202262858.

The spelling of 36140009 in words is "thirty-six million, one hundred forty thousand, nine".