1365187141 has 2 divisors, whose sum is σ = 1365187142. Its totient is φ = 1365187140.

The previous prime is 1365187129. The next prime is 1365187147. The reversal of 1365187141 is 1417815631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1184392225 + 180794916 = 34415^2 + 13446^2 .

It is an emirp because it is prime and its reverse (1417815631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1365187141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1365187141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365187147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682593570 + 682593571.

It is an arithmetic number, because the mean of its divisors is an integer number (682593571).

Almost surely, 2^1365187141 is an apocalyptic number.

It is an amenable number.

1365187141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365187141 is an equidigital number, since it uses as much as digits as its factorization.

1365187141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 1365187141 is about 36948.4389521398. The cubic root of 1365187141 is about 1109.3384421952.

The spelling of 1365187141 in words is "one billion, three hundred sixty-five million, one hundred eighty-seven thousand, one hundred forty-one".