1136613985 has 8 divisors (see below), whose sum is σ = 1468855080. Its totient is φ = 839345664.

The previous prime is 1136613971. The next prime is 1136613997. The reversal of 1136613985 is 5893166311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53348416 + 1083265569 = 7304^2 + 32913^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1136613985 - 2⁹ = 1136613473 is a prime.

It is a super-3 number, since 3×1136613985³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8743120 + ... + 8743249.

It is an arithmetic number, because the mean of its divisors is an integer number (183606885).

Almost surely, 2^1136613985 is an apocalyptic number.

It is an amenable number.

1136613985 is a deficient number, since it is larger than the sum of its proper divisors (332241095).

1136613985 is a wasteful number, since it uses less digits than its factorization.

1136613985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486387.

The product of its digits is 116640, while the sum is 43.

The square root of 1136613985 is about 33713.7061890264. The cubic root of 1136613985 is about 1043.6086379841.

The spelling of 1136613985 in words is "one billion, one hundred thirty-six million, six hundred thirteen thousand, nine hundred eighty-five".