16133239 has 2 divisors, whose sum is σ = 16133240. Its totient is φ = 16133238.

The previous prime is 16133233. The next prime is 16133287. The reversal of 16133239 is 93233161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16133239 - 2³ = 16133231 is a prime.

It is a super-2 number, since 2×16133239² = 520562801262242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16133231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8066619 + 8066620.

It is an arithmetic number, because the mean of its divisors is an integer number (8066620).

Almost surely, 2^16133239 is an apocalyptic number.

16133239 is a deficient number, since it is larger than the sum of its proper divisors (1).

16133239 is an equidigital number, since it uses as much as digits as its factorization.

16133239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

The square root of 16133239 is about 4016.6203455144. The cubic root of 16133239 is about 252.6817382593.

The spelling of 16133239 in words is "sixteen million, one hundred thirty-three thousand, two hundred thirty-nine".