2140365 has 16 divisors (see below), whose sum is σ = 3443328. Its totient is φ = 1135296.

The previous prime is 2140363. The next prime is 2140367. The reversal of 2140365 is 5630412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2140363) and next prime (2140367).

It is not a de Polignac number, because 2140365 - 2¹ = 2140363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140363) 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, 4152 + ... + 4638.

It is an arithmetic number, because the mean of its divisors is an integer number (215208).

2^2140365 is an apocalyptic number.

It is an amenable number.

2140365 is a deficient number, since it is larger than the sum of its proper divisors (1302963).

2140365 is a wasteful number, since it uses less digits than its factorization.

2140365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2140365 is about 1462.9986329454. The cubic root of 2140365 is about 128.8732003243.

Adding to 2140365 its reverse (5630412), we get a palindrome (7770777).

The spelling of 2140365 in words is "two million, one hundred forty thousand, three hundred sixty-five".