1131693 has 4 divisors (see below), whose sum is σ = 1508928. Its totient is φ = 754460.

The previous prime is 1131677. The next prime is 1131701. The reversal of 1131693 is 3961311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3961311 = 3 ⋅1320437.

It is a cyclic number.

It is not a de Polignac number, because 1131693 - 2⁴ = 1131677 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131643) 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, 188613 + ... + 188618.

It is an arithmetic number, because the mean of its divisors is an integer number (377232).

2^1131693 is an apocalyptic number.

It is an amenable number.

1131693 is a deficient number, since it is larger than the sum of its proper divisors (377235).

1131693 is an equidigital number, since it uses as much as digits as its factorization.

1131693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377234.

The product of its digits is 486, while the sum is 24.

The square root of 1131693 is about 1063.8106034441. The cubic root of 1131693 is about 104.2100353459.

The spelling of 1131693 in words is "one million, one hundred thirty-one thousand, six hundred ninety-three".