16136387269 has 2 divisors, whose sum is σ = 16136387270. Its totient is φ = 16136387268.

The previous prime is 16136387237. The next prime is 16136387327. The reversal of 16136387269 is 96278363161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9917172225 + 6219215044 = 99585^2 + 78862^2 .

It is a cyclic number.

It is not a de Polignac number, because 16136387269 - 2⁵ = 16136387237 is a prime.

It is a super-3 number, since 3×16136387269³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16136327269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068193634 + 8068193635.

It is an arithmetic number, because the mean of its divisors is an integer number (8068193635).

Almost surely, 2^16136387269 is an apocalyptic number.

It is an amenable number.

16136387269 is a deficient number, since it is larger than the sum of its proper divisors (1).

16136387269 is an equidigital number, since it uses as much as digits as its factorization.

16136387269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The spelling of 16136387269 in words is "sixteen billion, one hundred thirty-six million, three hundred eighty-seven thousand, two hundred sixty-nine".