1135641245 has 4 divisors (see below), whose sum is σ = 1362769500. Its totient is φ = 908512992.

The previous prime is 1135641233. The next prime is 1135641277. The reversal of 1135641245 is 5421465311.

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 521939716 + 613701529 = 22846^2 + 24773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135641245 - 2¹⁰ = 1135640221 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113564120 + ... + 113564129.

It is an arithmetic number, because the mean of its divisors is an integer number (340692375).

Almost surely, 2^1135641245 is an apocalyptic number.

It is an amenable number.

1135641245 is a deficient number, since it is larger than the sum of its proper divisors (227128255).

1135641245 is an equidigital number, since it uses as much as digits as its factorization.

1135641245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227128254.

The product of its digits is 14400, while the sum is 32.

The square root of 1135641245 is about 33699.2766242838. The cubic root of 1135641245 is about 1043.3108383745.

The spelling of 1135641245 in words is "one billion, one hundred thirty-five million, six hundred forty-one thousand, two hundred forty-five".