1131488286 has 32 divisors (see below), whose sum is σ = 2276322048. Its totient is φ = 374946240.

The previous prime is 1131488279. The next prime is 1131488291. The reversal of 1131488286 is 6828841311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094826 + ... + 1095858.

It is an arithmetic number, because the mean of its divisors is an integer number (71135064).

Almost surely, 2^1131488286 is an apocalyptic number.

1131488286 is an abundant number, since it is smaller than the sum of its proper divisors (1144833762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131488286 is a wasteful number, since it uses less digits than its factorization.

1131488286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its digits is 73728, while the sum is 42.

The square root of 1131488286 is about 33637.6022629438. The cubic root of 1131488286 is about 1042.0375138614.

The spelling of 1131488286 in words is "one billion, one hundred thirty-one million, four hundred eighty-eight thousand, two hundred eighty-six".