1130640143 has 2 divisors, whose sum is σ = 1130640144. Its totient is φ = 1130640142.

The previous prime is 1130640109. The next prime is 1130640221. The reversal of 1130640143 is 3410460311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1130640143 - 2⁶ = 1130640079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130640103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565320071 + 565320072.

It is an arithmetic number, because the mean of its divisors is an integer number (565320072).

Almost surely, 2^1130640143 is an apocalyptic number.

1130640143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130640143 is an equidigital number, since it uses as much as digits as its factorization.

1130640143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1130640143 is about 33624.9928327130. The cubic root of 1130640143 is about 1041.7770846692. Note that the first 3 decimals are identical.

The spelling of 1130640143 in words is "one billion, one hundred thirty million, six hundred forty thousand, one hundred forty-three".