1144536139 has 2 divisors, whose sum is σ = 1144536140. Its totient is φ = 1144536138.

The previous prime is 1144536091. The next prime is 1144536167. The reversal of 1144536139 is 9316354411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144536139 - 2¹¹ = 1144534091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144536098 and 1144536107.

It is not a weakly prime, because it can be changed into another prime (1144536179) 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 as a sum of consecutive naturals, namely, 572268069 + 572268070.

It is an arithmetic number, because the mean of its divisors is an integer number (572268070).

Almost surely, 2^1144536139 is an apocalyptic number.

1144536139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144536139 is an equidigital number, since it uses as much as digits as its factorization.

1144536139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 1144536139 is about 33830.9937631161. The cubic root of 1144536139 is about 1046.0276633064.

The spelling of 1144536139 in words is "one billion, one hundred forty-four million, five hundred thirty-six thousand, one hundred thirty-nine".