1131085814 has 8 divisors (see below), whose sum is σ = 1725385320. Its totient is φ = 555957376.

The previous prime is 1131085801. The next prime is 1131085829. The reversal of 1131085814 is 4185801311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792619 + ... + 4792854.

It is an arithmetic number, because the mean of its divisors is an integer number (215673165).

Almost surely, 2^1131085814 is an apocalyptic number.

1131085814 is a deficient number, since it is larger than the sum of its proper divisors (594299506).

1131085814 is an equidigital number, since it uses as much as digits as its factorization.

1131085814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585534.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 1131085814 is about 33631.6192592626. The cubic root of 1131085814 is about 1041.9139477986.

The spelling of 1131085814 in words is "one billion, one hundred thirty-one million, eighty-five thousand, eight hundred fourteen".