7139941 has 4 divisors (see below), whose sum is σ = 7230400. Its totient is φ = 7049484.

The previous prime is 7139939. The next prime is 7139947. The reversal of 7139941 is 1499317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1499317 = 53 ⋅28289.

It is a cyclic number.

It is not a de Polignac number, because 7139941 - 2¹ = 7139939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7139897 and 7139906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45111 + ... + 45268.

It is an arithmetic number, because the mean of its divisors is an integer number (1807600).

Almost surely, 2^7139941 is an apocalyptic number.

It is an amenable number.

7139941 is a deficient number, since it is larger than the sum of its proper divisors (90459).

7139941 is an equidigital number, since it uses as much as digits as its factorization.

7139941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90458.

The product of its digits is 6804, while the sum is 34.

The square root of 7139941 is about 2672.0668030571. The cubic root of 7139941 is about 192.5594666450.

The spelling of 7139941 in words is "seven million, one hundred thirty-nine thousand, nine hundred forty-one".