1135141185 has 8 divisors (see below), whose sum is σ = 1816225920. Its totient is φ = 605408624.

The previous prime is 1135141181. The next prime is 1135141201. The reversal of 1135141185 is 5811415311.

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

It is a cyclic number.

It is not a de Polignac number, because 1135141185 - 2² = 1135141181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135141181) 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, 37838025 + ... + 37838054.

It is an arithmetic number, because the mean of its divisors is an integer number (227028240).

Almost surely, 2^1135141185 is an apocalyptic number.

1135141185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135141185 is a deficient number, since it is larger than the sum of its proper divisors (681084735).

1135141185 is an equidigital number, since it uses as much as digits as its factorization.

1135141185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75676087.

The product of its digits is 2400, while the sum is 30.

The square root of 1135141185 is about 33691.8563602542. The cubic root of 1135141185 is about 1043.1576812586.

Adding to 1135141185 its reverse (5811415311), we get a palindrome (6946556496).

The spelling of 1135141185 in words is "one billion, one hundred thirty-five million, one hundred forty-one thousand, one hundred eighty-five".