7139080 has 32 divisors (see below), whose sum is σ = 17299800. Its totient is φ = 2635776.

The previous prime is 7139071. The next prime is 7139089. The reversal of 7139080 is 809317.

It is an interprime number because it is at equal distance from previous prime (7139071) and next prime (7139089).

It can be written as a sum of positive squares in 4 ways, for example, as 3992004 + 3147076 = 1998^2 + 1774^2 .

It is not an unprimeable number, because it can be changed into a prime (7139089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6345 + ... + 7384.

Almost surely, 2^7139080 is an apocalyptic number.

It is an amenable number.

7139080 is an abundant number, since it is smaller than the sum of its proper divisors (10160720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7139080 is a wasteful number, since it uses less digits than its factorization.

7139080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753 (or 13749 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 7139080 is about 2671.9056869583. The cubic root of 7139080 is about 192.5517261344.

The spelling of 7139080 in words is "seven million, one hundred thirty-nine thousand, eighty".