1135220345 has 8 divisors (see below), whose sum is σ = 1556873664. Its totient is φ = 778436784.

The previous prime is 1135220311. The next prime is 1135220353. The reversal of 1135220345 is 5430225311.

It is a happy number.

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 1135220345 - 2²⁶ = 1068111481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16217399 + ... + 16217468.

It is an arithmetic number, because the mean of its divisors is an integer number (194609208).

Almost surely, 2^1135220345 is an apocalyptic number.

It is an amenable number.

1135220345 is a deficient number, since it is larger than the sum of its proper divisors (421653319).

1135220345 is an equidigital number, since it uses as much as digits as its factorization.

1135220345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32434879.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1135220345 is about 33693.0311043693. The cubic root of 1135220345 is about 1043.1819291800.

Adding to 1135220345 its reverse (5430225311), we get a palindrome (6565445656).

It can be divided in two parts, 113 and 5220345, that multiplied together give a palindrome (589898985).

The spelling of 1135220345 in words is "one billion, one hundred thirty-five million, two hundred twenty thousand, three hundred forty-five".