1136622985 has 16 divisors (see below), whose sum is σ = 1376286912. Its totient is φ = 901108800.

The previous prime is 1136622983. The next prime is 1136623003. The reversal of 1136622985 is 5892266311.

It is not a de Polignac number, because 1136622985 - 2¹ = 1136622983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136622983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275790 + ... + 279880.

It is an arithmetic number, because the mean of its divisors is an integer number (86017932).

Almost surely, 2^1136622985 is an apocalyptic number.

It is an amenable number.

1136622985 is a deficient number, since it is larger than the sum of its proper divisors (239663927).

1136622985 is a wasteful number, since it uses less digits than its factorization.

1136622985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its digits is 155520, while the sum is 43.

The square root of 1136622985 is about 33713.8396656329. The cubic root of 1136622985 is about 1043.6113924968.

The spelling of 1136622985 in words is "one billion, one hundred thirty-six million, six hundred twenty-two thousand, nine hundred eighty-five".