3136345 has 4 divisors (see below), whose sum is σ = 3763620. Its totient is φ = 2509072.

The previous prime is 3136339. The next prime is 3136351. The reversal of 3136345 is 5436313.

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

It is an interprime number because it is at equal distance from previous prime (3136339) and next prime (3136351).

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 1734489 = 1184^2 + 1317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3136345 - 2⁹ = 3135833 is a prime.

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, 313630 + ... + 313639.

It is an arithmetic number, because the mean of its divisors is an integer number (940905).

Almost surely, 2^3136345 is an apocalyptic number.

It is an amenable number.

3136345 is a deficient number, since it is larger than the sum of its proper divisors (627275).

3136345 is an equidigital number, since it uses as much as digits as its factorization.

3136345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627274.

The product of its digits is 3240, while the sum is 25.

The square root of 3136345 is about 1770.9728964612. The cubic root of 3136345 is about 146.3775958081.

Subtracting 3136345 from its reverse (5436313), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 3136 and 345, that added together give a square (3481 = 59²).

The spelling of 3136345 in words is "three million, one hundred thirty-six thousand, three hundred forty-five".