1513840189 has 2 divisors, whose sum is σ = 1513840190. Its totient is φ = 1513840188.

The previous prime is 1513840187. The next prime is 1513840193. The reversal of 1513840189 is 9810483151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172514564 + 341325625 = 34242^2 + 18475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513840189 - 2¹ = 1513840187 is a prime.

Together with 1513840187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513840187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756920094 + 756920095.

It is an arithmetic number, because the mean of its divisors is an integer number (756920095).

Almost surely, 2^1513840189 is an apocalyptic number.

It is an amenable number.

1513840189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513840189 is an equidigital number, since it uses as much as digits as its factorization.

1513840189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1513840189 is about 38908.0992725165. The cubic root of 1513840189 is about 1148.2241498499.

The spelling of 1513840189 in words is "one billion, five hundred thirteen million, eight hundred forty thousand, one hundred eighty-nine".