7139071 has 2 divisors, whose sum is σ = 7139072. Its totient is φ = 7139070.

The previous prime is 7139023. The next prime is 7139089. The reversal of 7139071 is 1709317.

It is a happy number.

7139071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1709317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7139071 - 2¹⁵ = 7106303 is a prime.

It is a Chen prime.

It is equal to p₄₈₅₄₇₀ and since 7139071 and 485470 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7139971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569535 + 3569536.

It is an arithmetic number, because the mean of its divisors is an integer number (3569536).

Almost surely, 2^7139071 is an apocalyptic number.

7139071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7139071 is an equidigital number, since it uses as much as digits as its factorization.

7139071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 7139071 is about 2671.9040027666. The cubic root of 7139071 is about 192.5516452199.

The spelling of 7139071 in words is "seven million, one hundred thirty-nine thousand, seventy-one".