1113764065 has 4 divisors (see below), whose sum is σ = 1336516884. Its totient is φ = 891011248.

The previous prime is 1113764039. The next prime is 1113764083. The reversal of 1113764065 is 5604673111.

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 269977761 + 843786304 = 16431^2 + 29048^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113764065 - 2⁵ = 1113764033 is a prime.

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 1113764065.

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, 111376402 + ... + 111376411.

It is an arithmetic number, because the mean of its divisors is an integer number (334129221).

Almost surely, 2^1113764065 is an apocalyptic number.

It is an amenable number.

1113764065 is a deficient number, since it is larger than the sum of its proper divisors (222752819).

1113764065 is an equidigital number, since it uses as much as digits as its factorization.

1113764065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222752818.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1113764065 is about 33373.1039161778. The cubic root of 1113764065 is about 1036.5678478998.

The spelling of 1113764065 in words is "one billion, one hundred thirteen million, seven hundred sixty-four thousand, sixty-five".