3138513 has 16 divisors (see below), whose sum is σ = 4832256. Its totient is φ = 1774800.

The previous prime is 3138503. The next prime is 3138521. The reversal of 3138513 is 3158313.

It is not a de Polignac number, because 3138513 - 2⁶ = 3138449 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3138503) 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, 1438 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (302016).

Almost surely, 2^3138513 is an apocalyptic number.

It is an amenable number.

3138513 is a deficient number, since it is larger than the sum of its proper divisors (1693743).

3138513 is a wasteful number, since it uses less digits than its factorization.

3138513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 1080, while the sum is 24.

The square root of 3138513 is about 1771.5848836564. The cubic root of 3138513 is about 146.4113159010.

The spelling of 3138513 in words is "three million, one hundred thirty-eight thousand, five hundred thirteen".