1138588269 has 32 divisors (see below), whose sum is σ = 1872568320. Its totient is φ = 599251392.

The previous prime is 1138588261. The next prime is 1138588291. The reversal of 1138588269 is 9628858311.

It is not a de Polignac number, because 1138588269 - 2³ = 1138588261 is a prime.

It is a super-2 number, since 2×1138588269² = 2592766492608832722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138588261) 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 in 31 ways as a sum of consecutive naturals, for example, 126414 + ... + 135120.

It is an arithmetic number, because the mean of its divisors is an integer number (58517760).

Almost surely, 2^1138588269 is an apocalyptic number.

It is an amenable number.

1138588269 is a deficient number, since it is larger than the sum of its proper divisors (733980051).

1138588269 is a wasteful number, since it uses less digits than its factorization.

1138588269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209.

The product of its digits is 829440, while the sum is 51.

The square root of 1138588269 is about 33742.9736241488. The cubic root of 1138588269 is about 1044.2125334321.

The spelling of 1138588269 in words is "one billion, one hundred thirty-eight million, five hundred eighty-eight thousand, two hundred sixty-nine".