3138672143 has 4 divisors (see below), whose sum is σ = 3138805200. Its totient is φ = 3138539088.

The previous prime is 3138672127. The next prime is 3138672167. The reversal of 3138672143 is 3412768313.

3138672143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3138672143 - 2⁴ = 3138672127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3138672097 and 3138672106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138672193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20555 + ... + 81852.

It is an arithmetic number, because the mean of its divisors is an integer number (784701300).

Almost surely, 2^3138672143 is an apocalyptic number.

3138672143 is a deficient number, since it is larger than the sum of its proper divisors (133057).

3138672143 is a wasteful number, since it uses less digits than its factorization.

3138672143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133056.

The product of its digits is 72576, while the sum is 38.

The square root of 3138672143 is about 56023.8533394482. The cubic root of 3138672143 is about 1464.1379052747.

The spelling of 3138672143 in words is "three billion, one hundred thirty-eight million, six hundred seventy-two thousand, one hundred forty-three".