7139671 has 8 divisors (see below), whose sum is σ = 8901504. Its totient is φ = 5563320.

The previous prime is 7139663. The next prime is 7139701. The reversal of 7139671 is 1769317.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7139671 - 2³ = 7139663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46285 + ... + 46438.

It is an arithmetic number, because the mean of its divisors is an integer number (1112688).

Almost surely, 2^7139671 is an apocalyptic number.

7139671 is a deficient number, since it is larger than the sum of its proper divisors (1761833).

7139671 is a wasteful number, since it uses less digits than its factorization.

7139671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92741.

The product of its digits is 7938, while the sum is 34.

The square root of 7139671 is about 2672.0162798905. The cubic root of 7139671 is about 192.5570393741.

The spelling of 7139671 in words is "seven million, one hundred thirty-nine thousand, six hundred seventy-one".