16139296 has 12 divisors (see below), whose sum is σ = 31774302. Its totient is φ = 8069632.

The previous prime is 16139293. The next prime is 16139311. The reversal of 16139296 is 69293161.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 929296 = 3900^2 + 964^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16139293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252145 + ... + 252208.

Almost surely, 2^16139296 is an apocalyptic number.

16139296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16139296 is a deficient number, since it is larger than the sum of its proper divisors (15635006).

16139296 is an equidigital number, since it uses as much as digits as its factorization.

16139296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504363 (or 504355 counting only the distinct ones).

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

The square root of 16139296 is about 4017.3742668564. The cubic root of 16139296 is about 252.7133562499.

The spelling of 16139296 in words is "sixteen million, one hundred thirty-nine thousand, two hundred ninety-six".