1135673641 has 2 divisors, whose sum is σ = 1135673642. Its totient is φ = 1135673640.

The previous prime is 1135673639. The next prime is 1135673653. The reversal of 1135673641 is 1463765311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851414041 + 284259600 = 29179^2 + 16860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135673641 - 2¹ = 1135673639 is a prime.

Together with 1135673639, 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 1135673641.

It is not a weakly prime, because it can be changed into another prime (1135673141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567836820 + 567836821.

It is an arithmetic number, because the mean of its divisors is an integer number (567836821).

Almost surely, 2^1135673641 is an apocalyptic number.

It is an amenable number.

1135673641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135673641 is an equidigital number, since it uses as much as digits as its factorization.

1135673641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 1135673641 is about 33699.7572839924. The cubic root of 1135673641 is about 1043.3207589888.

The spelling of 1135673641 in words is "one billion, one hundred thirty-five million, six hundred seventy-three thousand, six hundred forty-one".