1133681709 has 4 divisors (see below), whose sum is σ = 1511575616. Its totient is φ = 755787804.

The previous prime is 1133681663. The next prime is 1133681723. The reversal of 1133681709 is 9071863311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1133681709 - 2¹¹ = 1133679661 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 (1133681509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188946949 + ... + 188946954.

It is an arithmetic number, because the mean of its divisors is an integer number (377893904).

Almost surely, 2^1133681709 is an apocalyptic number.

It is an amenable number.

1133681709 is a deficient number, since it is larger than the sum of its proper divisors (377893907).

1133681709 is an equidigital number, since it uses as much as digits as its factorization.

1133681709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377893906.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1133681709 is about 33670.1902133029. The cubic root of 1133681709 is about 1042.7104192572.

The spelling of 1133681709 in words is "one billion, one hundred thirty-three million, six hundred eighty-one thousand, seven hundred nine".