1136538679 has 8 divisors (see below), whose sum is σ = 1157155760. Its totient is φ = 1116058176.

The previous prime is 1136538589. The next prime is 1136538691. The reversal of 1136538679 is 9768356311.

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 1136538679 - 2¹¹ = 1136536631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136538079) 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, 17277 + ... + 50710.

It is an arithmetic number, because the mean of its divisors is an integer number (144644470).

Almost surely, 2^1136538679 is an apocalyptic number.

1136538679 is a deficient number, since it is larger than the sum of its proper divisors (20617081).

1136538679 is an equidigital number, since it uses as much as digits as its factorization.

1136538679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68289.

The product of its digits is 816480, while the sum is 49.

The square root of 1136538679 is about 33712.5893250578. The cubic root of 1136538679 is about 1043.5855894884.

The spelling of 1136538679 in words is "one billion, one hundred thirty-six million, five hundred thirty-eight thousand, six hundred seventy-nine".