7139141 has 4 divisors (see below), whose sum is σ = 7145292. Its totient is φ = 7132992.

The previous prime is 7139123. The next prime is 7139189. The reversal of 7139141 is 1419317.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 6522916 = 785^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 7139141 - 2¹⁴ = 7122757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7139141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139101) 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, 746 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (1786323).

Almost surely, 2^7139141 is an apocalyptic number.

It is an amenable number.

7139141 is a deficient number, since it is larger than the sum of its proper divisors (6151).

7139141 is a wasteful number, since it uses less digits than its factorization.

7139141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150.

The product of its digits is 756, while the sum is 26.

The square root of 7139141 is about 2671.9171020075. The cubic root of 7139141 is about 192.5522745535.

The spelling of 7139141 in words is "seven million, one hundred thirty-nine thousand, one hundred forty-one".