1518014189 has 2 divisors, whose sum is σ = 1518014190. Its totient is φ = 1518014188.

The previous prime is 1518014117. The next prime is 1518014203. The reversal of 1518014189 is 9814108151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215080164 + 302934025 = 34858^2 + 17405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1518014189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1518014489) 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, 759007094 + 759007095.

It is an arithmetic number, because the mean of its divisors is an integer number (759007095).

Almost surely, 2^1518014189 is an apocalyptic number.

It is an amenable number.

1518014189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518014189 is an equidigital number, since it uses as much as digits as its factorization.

1518014189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 38.

The square root of 1518014189 is about 38961.7015670517. The cubic root of 1518014189 is about 1149.2784860407.

The spelling of 1518014189 in words is "one billion, five hundred eighteen million, fourteen thousand, one hundred eighty-nine".