1085488564 has 6 divisors (see below), whose sum is σ = 1899604994. Its totient is φ = 542744280.

The previous prime is 1085488543. The next prime is 1085488577. The reversal of 1085488564 is 4658845801.

It can be written as a sum of positive squares in only one way, i.e., 1001216164 + 84272400 = 31642^2 + 9180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135686067 + ... + 135686074.

Almost surely, 2^1085488564 is an apocalyptic number.

It is an amenable number.

1085488564 is a deficient number, since it is larger than the sum of its proper divisors (814116430).

1085488564 is a wasteful number, since it uses less digits than its factorization.

1085488564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271372145 (or 271372143 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The square root of 1085488564 is about 32946.7534667682. The cubic root of 1085488564 is about 1027.7206528999.

The spelling of 1085488564 in words is "one billion, eighty-five million, four hundred eighty-eight thousand, five hundred sixty-four".