1135321137 has 8 divisors (see below), whose sum is σ = 1681957280. Its totient is φ = 756880740.

The previous prime is 1135321123. The next prime is 1135321139. The reversal of 1135321137 is 7311235311.

It is a happy number.

1135321137 is a `hidden beast` number, since 1 + 13 + 532 + 113 + 7 = 666.

It is not a de Polignac number, because 1135321137 - 2⁶ = 1135321073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42048931 = 1135321137 / (1 + 1 + 3 + 5 + 3 + 2 + 1 + 1 + 3 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135321137.

It is not an unprimeable number, because it can be changed into a prime (1135321139) by changing a digit.

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, 21024439 + ... + 21024492.

It is an arithmetic number, because the mean of its divisors is an integer number (210244660).

Almost surely, 2^1135321137 is an apocalyptic number.

It is an amenable number.

1135321137 is a deficient number, since it is larger than the sum of its proper divisors (546636143).

1135321137 is an equidigital number, since it uses as much as digits as its factorization.

1135321137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42048940 (or 42048934 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 1135321137 is about 33694.5268107448. The cubic root of 1135321137 is about 1043.2128016833.

Adding to 1135321137 its reverse (7311235311), we get a palindrome (8446556448).

The spelling of 1135321137 in words is "one billion, one hundred thirty-five million, three hundred twenty-one thousand, one hundred thirty-seven".