1341218141 has 2 divisors, whose sum is σ = 1341218142. Its totient is φ = 1341218140.

The previous prime is 1341218119. The next prime is 1341218147. The reversal of 1341218141 is 1418121431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1336999225 + 4218916 = 36565^2 + 2054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1341218141 is a prime.

It is a super-2 number, since 2×1341218141² = 3597732203494991762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1341218141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341218147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670609070 + 670609071.

It is an arithmetic number, because the mean of its divisors is an integer number (670609071).

Almost surely, 2^1341218141 is an apocalyptic number.

It is an amenable number.

1341218141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341218141 is an equidigital number, since it uses as much as digits as its factorization.

1341218141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

The square root of 1341218141 is about 36622.6451939234. The cubic root of 1341218141 is about 1102.8077420371.

Adding to 1341218141 its reverse (1418121431), we get a palindrome (2759339572).

The spelling of 1341218141 in words is "one billion, three hundred forty-one million, two hundred eighteen thousand, one hundred forty-one".