7138365 has 16 divisors (see below), whose sum is σ = 12300288. Its totient is φ = 3514176.

The previous prime is 7138363. The next prime is 7138367. The reversal of 7138365 is 5638317.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7138363) and next prime (7138367).

It is not a de Polignac number, because 7138365 - 2¹ = 7138363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138363) 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, 18109 + ... + 18498.

It is an arithmetic number, because the mean of its divisors is an integer number (768768).

Almost surely, 2^7138365 is an apocalyptic number.

It is an amenable number.

7138365 is a deficient number, since it is larger than the sum of its proper divisors (5161923).

7138365 is a wasteful number, since it uses less digits than its factorization.

7138365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36628.

The product of its digits is 15120, while the sum is 33.

The square root of 7138365 is about 2671.7718839751. The cubic root of 7138365 is about 192.5452977113.

It can be divided in two parts, 7138 and 365, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 7138365 in words is "seven million, one hundred thirty-eight thousand, three hundred sixty-five".