7138118 has 16 divisors (see below), whose sum is σ = 11929680. Its totient is φ = 3180576.

The previous prime is 7138069. The next prime is 7138121. The reversal of 7138118 is 8118317.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3980 + ... + 5487.

It is an arithmetic number, because the mean of its divisors is an integer number (745605).

Almost surely, 2^7138118 is an apocalyptic number.

7138118 is a deficient number, since it is larger than the sum of its proper divisors (4791562).

7138118 is a wasteful number, since it uses less digits than its factorization.

7138118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511.

The product of its digits is 1344, while the sum is 29.

The square root of 7138118 is about 2671.7256595691. The cubic root of 7138118 is about 192.5430768836.

The spelling of 7138118 in words is "seven million, one hundred thirty-eight thousand, one hundred eighteen".