1138718 has 16 divisors (see below), whose sum is σ = 1968000. Its totient is φ = 484056.

The previous prime is 1138717. The next prime is 1138729. The reversal of 1138718 is 8178311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138717) 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, 2033 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (123000).

2^1138718 is an apocalyptic number.

1138718 is a deficient number, since it is larger than the sum of its proper divisors (829282).

1138718 is a wasteful number, since it uses less digits than its factorization.

1138718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

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

The square root of 1138718 is about 1067.1073048199. The cubic root of 1138718 is about 104.4252191195.

The spelling of 1138718 in words is "one million, one hundred thirty-eight thousand, seven hundred eighteen".