16269139 has 4 divisors (see below), whose sum is σ = 16280424. Its totient is φ = 16257856.

The previous prime is 16269137. The next prime is 16269157. The reversal of 16269139 is 93196261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16269139 - 2¹ = 16269137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16269098 and 16269107.

It is not an unprimeable number, because it can be changed into a prime (16269133) 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, 3097 + ... + 6490.

It is an arithmetic number, because the mean of its divisors is an integer number (4070106).

Almost surely, 2^16269139 is an apocalyptic number.

16269139 is a deficient number, since it is larger than the sum of its proper divisors (11285).

16269139 is an equidigital number, since it uses as much as digits as its factorization.

16269139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284.

The product of its digits is 17496, while the sum is 37.

The square root of 16269139 is about 4033.5020763599. The cubic root of 16269139 is about 253.3892522374.

The spelling of 16269139 in words is "sixteen million, two hundred sixty-nine thousand, one hundred thirty-nine".