1138737259 has 8 divisors (see below), whose sum is σ = 1245068352. Its totient is φ = 1032874440.

The previous prime is 1138737253. The next prime is 1138737283. The reversal of 1138737259 is 9527378311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1138737259 - 2¹⁵ = 1138704491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138737253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111969 + ... + 121714.

It is an arithmetic number, because the mean of its divisors is an integer number (155633544).

Almost surely, 2^1138737259 is an apocalyptic number.

1138737259 is a deficient number, since it is larger than the sum of its proper divisors (106331093).

1138737259 is a wasteful number, since it uses less digits than its factorization.

1138737259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234137.

The product of its digits is 317520, while the sum is 46.

The square root of 1138737259 is about 33745.1812708126. The cubic root of 1138737259 is about 1044.2580782657.

The spelling of 1138737259 in words is "one billion, one hundred thirty-eight million, seven hundred thirty-seven thousand, two hundred fifty-nine".