2138167 has 2 divisors, whose sum is σ = 2138168. Its totient is φ = 2138166.

The previous prime is 2138137. The next prime is 2138189. The reversal of 2138167 is 7618312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2138167 - 2¹¹ = 2136119 is a prime.

2138167 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2138137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069083 + 1069084.

It is an arithmetic number, because the mean of its divisors is an integer number (1069084).

2^2138167 is an apocalyptic number.

2138167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138167 is an equidigital number, since it uses as much as digits as its factorization.

2138167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 2138167 is about 1462.2472431159. The cubic root of 2138167 is about 128.8290707307.

The spelling of 2138167 in words is "two million, one hundred thirty-eight thousand, one hundred sixty-seven".