1136873641 has 4 divisors (see below), whose sum is σ = 1142764372. Its totient is φ = 1130982912.

The previous prime is 1136873611. The next prime is 1136873651. The reversal of 1136873641 is 1463786311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 540097600 + 596776041 = 23240^2 + 24429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136873641 - 2²⁵ = 1103319209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1136873594 and 1136873603.

It is not an unprimeable number, because it can be changed into a prime (1136873611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945076 + ... + 2945461.

It is an arithmetic number, because the mean of its divisors is an integer number (285691093).

Almost surely, 2^1136873641 is an apocalyptic number.

It is an amenable number.

1136873641 is a deficient number, since it is larger than the sum of its proper divisors (5890731).

1136873641 is an equidigital number, since it uses as much as digits as its factorization.

1136873641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890730.

The product of its digits is 72576, while the sum is 40.

The square root of 1136873641 is about 33717.5568658229. The cubic root of 1136873641 is about 1043.6881016707.

The spelling of 1136873641 in words is "one billion, one hundred thirty-six million, eight hundred seventy-three thousand, six hundred forty-one".