7180138 has 16 divisors (see below), whose sum is σ = 12957120. Its totient is φ = 2915136.

The previous prime is 7180099. The next prime is 7180169. The reversal of 7180138 is 8310817.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13231 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (809820).

Almost surely, 2^7180138 is an apocalyptic number.

7180138 is a deficient number, since it is larger than the sum of its proper divisors (5776982).

7180138 is a wasteful number, since it uses less digits than its factorization.

7180138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27021.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 7180138 is about 2679.5779518424. The cubic root of 7180138 is about 192.9201527472.

The spelling of 7180138 in words is "seven million, one hundred eighty thousand, one hundred thirty-eight".