1016138 has 8 divisors (see below), whose sum is σ = 1549380. Its totient is φ = 499680.

The previous prime is 1016137. The next prime is 1016143. The reversal of 1016138 is 8316101.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 247009 = 877^2 + 497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1016137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043 + ... + 4286.

2^1016138 is an apocalyptic number.

1016138 is a deficient number, since it is larger than the sum of its proper divisors (533242).

1016138 is an equidigital number, since it uses as much as digits as its factorization.

1016138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1016138 is about 1008.0367056809. The cubic root of 1016138 is about 100.5350652786.

The spelling of 1016138 in words is "one million, sixteen thousand, one hundred thirty-eight".