1135138 has 4 divisors (see below), whose sum is σ = 1702710. Its totient is φ = 567568.

The previous prime is 1135133. The next prime is 1135159. The reversal of 1135138 is 8315311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8315311 = 2069 ⋅4019.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 400689 = 857^2 + 633^2 .

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1135133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283783 + ... + 283786.

2^1135138 is an apocalyptic number.

1135138 is a deficient number, since it is larger than the sum of its proper divisors (567572).

1135138 is an equidigital number, since it uses as much as digits as its factorization.

1135138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567571.

The product of its digits is 360, while the sum is 22.

The square root of 1135138 is about 1065.4285522737. The cubic root of 1135138 is about 104.3156705621.

The spelling of 1135138 in words is "one million, one hundred thirty-five thousand, one hundred thirty-eight".