1131609338 has 8 divisors (see below), whose sum is σ = 1771214688. Its totient is φ = 541204444.

The previous prime is 1131609329. The next prime is 1131609341. The reversal of 1131609338 is 8339061311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1131609298 and 1131609307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12300056 + ... + 12300147.

It is an arithmetic number, because the mean of its divisors is an integer number (221401836).

Almost surely, 2^1131609338 is an apocalyptic number.

1131609338 is a deficient number, since it is larger than the sum of its proper divisors (639605350).

1131609338 is a wasteful number, since it uses less digits than its factorization.

1131609338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24600228.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1131609338 is about 33639.4015701825. The cubic root of 1131609338 is about 1042.0746732466.

The spelling of 1131609338 in words is "one billion, one hundred thirty-one million, six hundred nine thousand, three hundred thirty-eight".