3138543 has 12 divisors (see below), whose sum is σ = 4555408. Its totient is φ = 2082240.

The previous prime is 3138539. The next prime is 3138547. The reversal of 3138543 is 3458313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3138539) and next prime (3138547).

It is not a de Polignac number, because 3138543 - 2² = 3138539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446 + ... + 2892.

Almost surely, 2^3138543 is an apocalyptic number.

3138543 is a deficient number, since it is larger than the sum of its proper divisors (1416865).

3138543 is a wasteful number, since it uses less digits than its factorization.

3138543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1691 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3138543 is about 1771.5933506310. The cubic root of 3138543 is about 146.4117823985.

The spelling of 3138543 in words is "three million, one hundred thirty-eight thousand, five hundred forty-three".