1136325691 has 2 divisors, whose sum is σ = 1136325692. Its totient is φ = 1136325690.

The previous prime is 1136325689. The next prime is 1136325733. The reversal of 1136325691 is 1965236311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1136325691 - 2¹ = 1136325689 is a prime.

Together with 1136325689, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1136325691.

It is not a weakly prime, because it can be changed into another prime (1136325661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568162845 + 568162846.

It is an arithmetic number, because the mean of its divisors is an integer number (568162846).

Almost surely, 2^1136325691 is an apocalyptic number.

1136325691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136325691 is an equidigital number, since it uses as much as digits as its factorization.

1136325691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 1136325691 is about 33709.4302977668. The cubic root of 1136325691 is about 1043.5203959032.

The spelling of 1136325691 in words is "one billion, one hundred thirty-six million, three hundred twenty-five thousand, six hundred ninety-one".