269497138 has 4 divisors (see below), whose sum is σ = 404245710. Its totient is φ = 134748568.

The previous prime is 269497133. The next prime is 269497157. The reversal of 269497138 is 831794962.

269497138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 150970369 + 118526769 = 12287^2 + 10887^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 269497091 and 269497100.

It is not an unprimeable number, because it can be changed into a prime (269497133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67374283 + ... + 67374286.

Almost surely, 2^269497138 is an apocalyptic number.

269497138 is a deficient number, since it is larger than the sum of its proper divisors (134748572).

269497138 is a wasteful number, since it uses less digits than its factorization.

269497138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134748571.

The product of its digits is 653184, while the sum is 49.

The square root of 269497138 is about 16416.3679905148. The cubic root of 269497138 is about 645.9289045588.

The spelling of 269497138 in words is "two hundred sixty-nine million, four hundred ninety-seven thousand, one hundred thirty-eight".