10138365 has 20 divisors (see below), whose sum is σ = 18174684. Its totient is φ = 5406912.

The previous prime is 10138363. The next prime is 10138369. The reversal of 10138365 is 56383101.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 7986276 = 1467^2 + 2826^2 .

It is not a de Polignac number, because 10138365 - 2¹ = 10138363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138363) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12112 + ... + 12921.

Almost surely, 2^10138365 is an apocalyptic number.

10138365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10138365 is a deficient number, since it is larger than the sum of its proper divisors (8036319).

10138365 is an equidigital number, since it uses as much as digits as its factorization.

10138365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25050 (or 25041 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 10138365 is about 3184.0799299013. The cubic root of 10138365 is about 216.4325821655.

The spelling of 10138365 in words is "ten million, one hundred thirty-eight thousand, three hundred sixty-five".