1114643765 has 4 divisors (see below), whose sum is σ = 1337572524. Its totient is φ = 891715008.

The previous prime is 1114643749. The next prime is 1114643767. The reversal of 1114643765 is 5673464111.

It is a happy number.

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 396886084 + 717757681 = 19922^2 + 26791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114643765 - 2⁴ = 1114643749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114643767) 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 3 ways as a sum of consecutive naturals, for example, 111464372 + ... + 111464381.

It is an arithmetic number, because the mean of its divisors is an integer number (334393131).

Almost surely, 2^1114643765 is an apocalyptic number.

It is an amenable number.

1114643765 is a deficient number, since it is larger than the sum of its proper divisors (222928759).

1114643765 is an equidigital number, since it uses as much as digits as its factorization.

1114643765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222928758.

The product of its digits is 60480, while the sum is 38.

The square root of 1114643765 is about 33386.2810896931. The cubic root of 1114643765 is about 1036.8406850867.

The spelling of 1114643765 in words is "one billion, one hundred fourteen million, six hundred forty-three thousand, seven hundred sixty-five".