1131294394 has 8 divisors (see below), whose sum is σ = 1697115348. Its totient is φ = 565589280.

The previous prime is 1131294391. The next prime is 1131294401. The reversal of 1131294394 is 4934921311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 741745225 + 389549169 = 27235^2 + 19737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1131294391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134 + ... + 47614.

Almost surely, 2^1131294394 is an apocalyptic number.

1131294394 is a deficient number, since it is larger than the sum of its proper divisors (565820954).

1131294394 is a wasteful number, since it uses less digits than its factorization.

1131294394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57920.

The product of its digits is 23328, while the sum is 37.

The square root of 1131294394 is about 33634.7200672163. The cubic root of 1131294394 is about 1041.9779892271.

The spelling of 1131294394 in words is "one billion, one hundred thirty-one million, two hundred ninety-four thousand, three hundred ninety-four".