7139065 has 16 divisors (see below), whose sum is σ = 9268992. Its totient is φ = 5257984.

The previous prime is 7139023. The next prime is 7139071. The reversal of 7139065 is 5609317.

It is not a de Polignac number, because 7139065 - 2¹⁷ = 7007993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3102 + ... + 4888.

It is an arithmetic number, because the mean of its divisors is an integer number (579312).

Almost surely, 2^7139065 is an apocalyptic number.

It is an amenable number.

7139065 is a deficient number, since it is larger than the sum of its proper divisors (2129927).

7139065 is a wasteful number, since it uses less digits than its factorization.

7139065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 7139065 is about 2671.9028799715. The cubic root of 7139065 is about 192.5515912768.

The spelling of 7139065 in words is "seven million, one hundred thirty-nine thousand, sixty-five".