1013405189 has 2 divisors, whose sum is σ = 1013405190. Its totient is φ = 1013405188.

The previous prime is 1013405179. The next prime is 1013405201. The reversal of 1013405189 is 9815043101.

1013405189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012830625 + 574564 = 31825^2 + 758^2 .

It is an emirp because it is prime and its reverse (9815043101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013405189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013405119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506702594 + 506702595.

It is an arithmetic number, because the mean of its divisors is an integer number (506702595).

Almost surely, 2^1013405189 is an apocalyptic number.

It is an amenable number.

1013405189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013405189 is an equidigital number, since it uses as much as digits as its factorization.

1013405189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1013405189 is about 31834.0256486672. The cubic root of 1013405189 is about 1004.4485771491.

The spelling of 1013405189 in words is "one billion, thirteen million, four hundred five thousand, one hundred eighty-nine".