1135240345 has 4 divisors (see below), whose sum is σ = 1362288420. Its totient is φ = 908192272.

The previous prime is 1135240339. The next prime is 1135240411. The reversal of 1135240345 is 5430425311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622851849 + 512388496 = 24957^2 + 22636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135240345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113524030 + ... + 113524039.

It is an arithmetic number, because the mean of its divisors is an integer number (340572105).

Almost surely, 2^1135240345 is an apocalyptic number.

It is an amenable number.

1135240345 is a deficient number, since it is larger than the sum of its proper divisors (227048075).

1135240345 is an equidigital number, since it uses as much as digits as its factorization.

1135240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227048074.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1135240345 is about 33693.3279003425. The cubic root of 1135240345 is about 1043.1880553082.

Adding to 1135240345 its reverse (5430425311), we get a palindrome (6565665656).

The spelling of 1135240345 in words is "one billion, one hundred thirty-five million, two hundred forty thousand, three hundred forty-five".