7139882 has 4 divisors (see below), whose sum is σ = 10709826. Its totient is φ = 3569940.

The previous prime is 7139861. The next prime is 7139897. The reversal of 7139882 is 2889317.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 175561 = 2639^2 + 419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1784969 + ... + 1784972.

Almost surely, 2^7139882 is an apocalyptic number.

7139882 is a deficient number, since it is larger than the sum of its proper divisors (3569944).

7139882 is a wasteful number, since it uses less digits than its factorization.

7139882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569943.

The product of its digits is 24192, while the sum is 38.

The square root of 7139882 is about 2672.0557628912. The cubic root of 7139882 is about 192.5589362466.

The spelling of 7139882 in words is "seven million, one hundred thirty-nine thousand, eight hundred eighty-two".