1138003365 has 16 divisors (see below), whose sum is σ = 1821225600. Its totient is φ = 606795072.

The previous prime is 1138003357. The next prime is 1138003369. The reversal of 1138003365 is 5633008311.

It is not a de Polignac number, because 1138003365 - 2³ = 1138003357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138003369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113371 + ... + 122999.

It is an arithmetic number, because the mean of its divisors is an integer number (113826600).

Almost surely, 2^1138003365 is an apocalyptic number.

1138003365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1138003365 is a deficient number, since it is larger than the sum of its proper divisors (683222235).

1138003365 is an equidigital number, since it uses as much as digits as its factorization.

1138003365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1138003365 is about 33734.3054619478. The cubic root of 1138003365 is about 1044.0336953864.

The spelling of 1138003365 in words is "one billion, one hundred thirty-eight million, three thousand, three hundred sixty-five".