7119138 has 32 divisors (see below), whose sum is σ = 15494976. Its totient is φ = 2167488.

The previous prime is 7119131. The next prime is 7119139. The reversal of 7119138 is 8319117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7119131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7920 + ... + 8772.

It is an arithmetic number, because the mean of its divisors is an integer number (484218).

Almost surely, 2^7119138 is an apocalyptic number.

7119138 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7119138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747488).

7119138 is an abundant number, since it is smaller than the sum of its proper divisors (8375838).

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

7119138 is a wasteful number, since it uses less digits than its factorization.

7119138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its digits is 1512, while the sum is 30.

The square root of 7119138 is about 2668.1712838572. The cubic root of 7119138 is about 192.3722703570.

The spelling of 7119138 in words is "seven million, one hundred nineteen thousand, one hundred thirty-eight".