1138567165 has 8 divisors (see below), whose sum is σ = 1369887840. Its totient is φ = 908448912.

The previous prime is 1138567139. The next prime is 1138567187. The reversal of 1138567165 is 5617658311.

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 1138567165 - 2¹⁹ = 1138042877 is a prime.

It is a super-2 number, since 2×1138567165² = 2592670378432274450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298519 + ... + 302308.

It is an arithmetic number, because the mean of its divisors is an integer number (171235980).

Almost surely, 2^1138567165 is an apocalyptic number.

It is an amenable number.

1138567165 is a deficient number, since it is larger than the sum of its proper divisors (231320675).

1138567165 is an equidigital number, since it uses as much as digits as its factorization.

1138567165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601211.

The product of its digits is 151200, while the sum is 43.

The square root of 1138567165 is about 33742.6609057436. The cubic root of 1138567165 is about 1044.2060818177.

The spelling of 1138567165 in words is "one billion, one hundred thirty-eight million, five hundred sixty-seven thousand, one hundred sixty-five".