16140369 has 8 divisors (see below), whose sum is σ = 24594880. Its totient is φ = 9223056.

The previous prime is 16140343. The next prime is 16140389. The reversal of 16140369 is 96304161.

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

It is not a de Polignac number, because 16140369 - 2⁵ = 16140337 is a prime.

It is a super-2 number, since 2×16140369² = 521023022912322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16140389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384274 + ... + 384315.

It is an arithmetic number, because the mean of its divisors is an integer number (3074360).

Almost surely, 2^16140369 is an apocalyptic number.

It is an amenable number.

16140369 is a deficient number, since it is larger than the sum of its proper divisors (8454511).

16140369 is an equidigital number, since it uses as much as digits as its factorization.

16140369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768599.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 16140369 is about 4017.5078095755. The cubic root of 16140369 is about 252.7189565648.

The spelling of 16140369 in words is "sixteen million, one hundred forty thousand, three hundred sixty-nine".