7139284 has 12 divisors (see below), whose sum is σ = 12512500. Its totient is φ = 3564288.

The previous prime is 7139273. The next prime is 7139287. The reversal of 7139284 is 4829317.

It can be written as a sum of positive squares in 2 ways, for example, as 1512900 + 5626384 = 1230^2 + 2372^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139287) 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, 4282 + ... + 5710.

Almost surely, 2^7139284 is an apocalyptic number.

It is an amenable number.

7139284 is a deficient number, since it is larger than the sum of its proper divisors (5373216).

7139284 is a wasteful number, since it uses less digits than its factorization.

7139284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2680 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 7139284 is about 2671.9438616857. The cubic root of 7139284 is about 192.5535601792.

The spelling of 7139284 in words is "seven million, one hundred thirty-nine thousand, two hundred eighty-four".