1019534141 has 2 divisors, whose sum is σ = 1019534142. Its totient is φ = 1019534140.

The previous prime is 1019534077. The next prime is 1019534143. The reversal of 1019534141 is 1414359101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 663268516 + 356265625 = 25754^2 + 18875^2 .

It is an emirp because it is prime and its reverse (1414359101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1019534141 - 2⁶ = 1019534077 is a prime.

Together with 1019534143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1019534143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509767070 + 509767071.

It is an arithmetic number, because the mean of its divisors is an integer number (509767071).

Almost surely, 2^1019534141 is an apocalyptic number.

It is an amenable number.

1019534141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019534141 is an equidigital number, since it uses as much as digits as its factorization.

1019534141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1019534141 is about 31930.1447068440. The cubic root of 1019534141 is about 1006.4694364687.

The spelling of 1019534141 in words is "one billion, nineteen million, five hundred thirty-four thousand, one hundred forty-one".