7052139 has 6 divisors (see below), whose sum is σ = 10186436. Its totient is φ = 4701420.

The previous prime is 7052113. The next prime is 7052141. The reversal of 7052139 is 9312507.

It is not a de Polignac number, because 7052139 - 2⁵ = 7052107 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7052939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391777 + ... + 391794.

Almost surely, 2^7052139 is an apocalyptic number.

7052139 is a deficient number, since it is larger than the sum of its proper divisors (3134297).

7052139 is a wasteful number, since it uses less digits than its factorization.

7052139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783577 (or 783574 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 7052139 is about 2655.5863759253. The cubic root of 7052139 is about 191.7668883122.

The spelling of 7052139 in words is "seven million, fifty-two thousand, one hundred thirty-nine".