1113356689 has 9 divisors (see below), whose sum is σ = 1133980731. Its totient is φ = 1093102920.

The previous prime is 1113356669. The next prime is 1113356711. The reversal of 1113356689 is 9866533111.

It is a happy number.

The square root of 1113356689 is 33367.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 36204289 + 1077152400 = 6017^2 + 32820^2 .

It is not a de Polignac number, because 1113356689 - 2¹³ = 1113348497 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113356659) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2035114 + ... + 2035660.

It is an arithmetic number, because the mean of its divisors is an integer number (125997859).

Almost surely, 2^1113356689 is an apocalyptic number.

1113356689 is the 33367-th square number.

1113356689 is the 16684-th centered octagonal number.

It is an amenable number.

1113356689 is a deficient number, since it is larger than the sum of its proper divisors (20624042).

1113356689 is an frugal number, since it uses more digits than its factorization.

1113356689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 608 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The cubic root of 1113356689 is about 1036.4414523817.

The spelling of 1113356689 in words is "one billion, one hundred thirteen million, three hundred fifty-six thousand, six hundred eighty-nine".