3140465 has 4 divisors (see below), whose sum is σ = 3768564. Its totient is φ = 2512368.

The previous prime is 3140447. The next prime is 3140507. The reversal of 3140465 is 5640413.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 2211169 = 964^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140465 - 2⁸ = 3140209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314042 + ... + 314051.

It is an arithmetic number, because the mean of its divisors is an integer number (942141).

Almost surely, 2^3140465 is an apocalyptic number.

It is an amenable number.

3140465 is a deficient number, since it is larger than the sum of its proper divisors (628099).

3140465 is an equidigital number, since it uses as much as digits as its factorization.

3140465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628098.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3140465 is about 1772.1357171504. The cubic root of 3140465 is about 146.4416631449.

Adding to 3140465 its reverse (5640413), we get a palindrome (8780878).

The spelling of 3140465 in words is "three million, one hundred forty thousand, four hundred sixty-five".