1138015163 has 4 divisors (see below), whose sum is σ = 1138338480. Its totient is φ = 1137691848.

The previous prime is 1138015159. The next prime is 1138015181. The reversal of 1138015163 is 3615108311.

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

It is a cyclic number.

It is not a de Polignac number, because 1138015163 - 2² = 1138015159 is a prime.

It is a super-2 number, since 2×1138015163² = 2590157022435833138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138015063) 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 3 ways as a sum of consecutive naturals, for example, 156320 + ... + 163437.

It is an arithmetic number, because the mean of its divisors is an integer number (284584620).

Almost surely, 2^1138015163 is an apocalyptic number.

1138015163 is a deficient number, since it is larger than the sum of its proper divisors (323317).

1138015163 is an equidigital number, since it uses as much as digits as its factorization.

1138015163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323316.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1138015163 is about 33734.4803279968. The cubic root of 1138015163 is about 1044.0373033039.

The spelling of 1138015163 in words is "one billion, one hundred thirty-eight million, fifteen thousand, one hundred sixty-three".