3138845267 has 4 divisors (see below), whose sum is σ = 3142425216. Its totient is φ = 3135265320.

The previous prime is 3138845261. The next prime is 3138845291. The reversal of 3138845267 is 7625488313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7625488313 = 26263 ⋅290351.

It is a cyclic number.

It is not a de Polignac number, because 3138845267 - 2²⁰ = 3137796691 is a prime.

It is a super-2 number, since 2×3138845267² = 19704699220336602578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138845261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788659 + ... + 1790412.

It is an arithmetic number, because the mean of its divisors is an integer number (785606304).

Almost surely, 2^3138845267 is an apocalyptic number.

3138845267 is a deficient number, since it is larger than the sum of its proper divisors (3579949).

3138845267 is an equidigital number, since it uses as much as digits as its factorization.

3138845267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579948.

The product of its digits is 967680, while the sum is 47.

The square root of 3138845267 is about 56025.3984100069. The cubic root of 3138845267 is about 1464.1648245937.

The spelling of 3138845267 in words is "three billion, one hundred thirty-eight million, eight hundred forty-five thousand, two hundred sixty-seven".