16090138 has 8 divisors (see below), whose sum is σ = 24325632. Its totient is φ = 7981596.

The previous prime is 16090097. The next prime is 16090141. The reversal of 16090138 is 83109061.

It is a happy number.

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

It is a plaindrome in base 13.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31420 + ... + 31927.

It is an arithmetic number, because the mean of its divisors is an integer number (3040704).

Almost surely, 2^16090138 is an apocalyptic number.

16090138 is a deficient number, since it is larger than the sum of its proper divisors (8235494).

16090138 is a wasteful number, since it uses less digits than its factorization.

16090138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63476.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 16090138 is about 4011.2514256775. The cubic root of 16090138 is about 252.4565189972.

Adding to 16090138 its reverse (83109061), we get a palindrome (99199199).

The spelling of 16090138 in words is "sixteen million, ninety thousand, one hundred thirty-eight".