1113827138 has 16 divisors (see below), whose sum is σ = 1711109400. Its totient is φ = 543614976.

The previous prime is 1113827129. The next prime is 1113827147. The reversal of 1113827138 is 8317283111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1113827129) and next prime (1113827147).

It can be written as a sum of positive squares in 4 ways, for example, as 844309249 + 269517889 = 29057^2 + 16417^2 .

It is a super-2 number, since 2×1113827138² = 2481221786690542088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1113827098 and 1113827107.

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, 25163 + ... + 53486.

Almost surely, 2^1113827138 is an apocalyptic number.

1113827138 is a deficient number, since it is larger than the sum of its proper divisors (597282262).

1113827138 is an equidigital number, since it uses as much as digits as its factorization.

1113827138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78821.

The product of its digits is 8064, while the sum is 35.

The square root of 1113827138 is about 33374.0488703424. The cubic root of 1113827138 is about 1036.5874146440.

The spelling of 1113827138 in words is "one billion, one hundred thirteen million, eight hundred twenty-seven thousand, one hundred thirty-eight".