1136005285 has 8 divisors (see below), whose sum is σ = 1363850136. Its totient is φ = 908375040.

The previous prime is 1136005267. The next prime is 1136005319. The reversal of 1136005285 is 5825006311.

It can be written as a sum of positive squares in 4 ways, for example, as 15697444 + 1120307841 = 3962^2 + 33471^2 .

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

It is not a de Polignac number, because 1136005285 - 2¹¹ = 1136003237 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 41764 + ... + 63373.

It is an arithmetic number, because the mean of its divisors is an integer number (170481267).

Almost surely, 2^1136005285 is an apocalyptic number.

It is an amenable number.

1136005285 is a deficient number, since it is larger than the sum of its proper divisors (227844851).

1136005285 is a wasteful number, since it uses less digits than its factorization.

1136005285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107303.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1136005285 is about 33704.6774943775. The cubic root of 1136005285 is about 1043.4223073508.

The spelling of 1136005285 in words is "one billion, one hundred thirty-six million, five thousand, two hundred eighty-five".