1136974809 has 8 divisors (see below), whose sum is σ = 1521561472. Its totient is φ = 755185680.

The previous prime is 1136974799. The next prime is 1136974823. The reversal of 1136974809 is 9084796311.

It is a happy number.

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

It is not a de Polignac number, because 1136974809 - 2⁵ = 1136974777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136974859) by changing a digit.

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, 698434 + ... + 700059.

It is an arithmetic number, because the mean of its divisors is an integer number (190195184).

Almost surely, 2^1136974809 is an apocalyptic number.

It is an amenable number.

1136974809 is a deficient number, since it is larger than the sum of its proper divisors (384586663).

1136974809 is a wasteful number, since it uses less digits than its factorization.

1136974809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398767.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1136974809 is about 33719.0570597696. The cubic root of 1136974809 is about 1043.7190592905.

The spelling of 1136974809 in words is "one billion, one hundred thirty-six million, nine hundred seventy-four thousand, eight hundred nine".