1086565494 has 48 divisors (see below), whose sum is σ = 2637854208. Its totient is φ = 296947728.

The previous prime is 1086565481. The next prime is 1086565511. The reversal of 1086565494 is 4945656801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73582 + ... + 87105.

It is an arithmetic number, because the mean of its divisors is an integer number (54955296).

Almost surely, 2^1086565494 is an apocalyptic number.

1086565494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1086565494 is an abundant number, since it is smaller than the sum of its proper divisors (1551288714).

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

1086565494 is a wasteful number, since it uses less digits than its factorization.

1086565494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160729 (or 160722 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 1086565494 is about 32963.0929070681. The cubic root of 1086565494 is about 1028.0604130847.

It can be divided in two parts, 1086 and 565494, that added together give a triangular number (566580 = T₁₀₆₄).

The spelling of 1086565494 in words is "one billion, eighty-six million, five hundred sixty-five thousand, four hundred ninety-four".