1135401143 has 2 divisors, whose sum is σ = 1135401144. Its totient is φ = 1135401142.

The previous prime is 1135401131. The next prime is 1135401161. The reversal of 1135401143 is 3411045311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1135401143 - 2¹⁸ = 1135138999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335401143) 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 as a sum of consecutive naturals, namely, 567700571 + 567700572.

It is an arithmetic number, because the mean of its divisors is an integer number (567700572).

Almost surely, 2^1135401143 is an apocalyptic number.

1135401143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135401143 is an equidigital number, since it uses as much as digits as its factorization.

1135401143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1135401143 is about 33695.7140152869. The cubic root of 1135401143 is about 1043.2373061517.

Adding to 1135401143 its reverse (3411045311), we get a palindrome (4546446454).

The spelling of 1135401143 in words is "one billion, one hundred thirty-five million, four hundred one thousand, one hundred forty-three".