7138171 has 4 divisors (see below), whose sum is σ = 7144200. Its totient is φ = 7132144.

The previous prime is 7138169. The next prime is 7138177. The reversal of 7138171 is 1718317.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1718317 = 37 ⋅46441.

It is a cyclic number.

It is not a de Polignac number, because 7138171 - 2¹ = 7138169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138177) 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, 586 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 2^7138171 is an apocalyptic number.

7138171 is a deficient number, since it is larger than the sum of its proper divisors (6029).

7138171 is a wasteful number, since it uses less digits than its factorization.

7138171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028.

The product of its digits is 1176, while the sum is 28.

The square root of 7138171 is about 2671.7355782337. The cubic root of 7138171 is about 192.5435534218.

The spelling of 7138171 in words is "seven million, one hundred thirty-eight thousand, one hundred seventy-one".