1341043157 has 2 divisors, whose sum is σ = 1341043158. Its totient is φ = 1341043156.

The previous prime is 1341043141. The next prime is 1341043159. The reversal of 1341043157 is 7513401431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1273704721 + 67338436 = 35689^2 + 8206^2 .

It is an emirp because it is prime and its reverse (7513401431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1341043157 - 2⁴ = 1341043141 is a prime.

Together with 1341043159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341043159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670521578 + 670521579.

It is an arithmetic number, because the mean of its divisors is an integer number (670521579).

Almost surely, 2^1341043157 is an apocalyptic number.

It is an amenable number.

1341043157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341043157 is an equidigital number, since it uses as much as digits as its factorization.

1341043157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1341043157 is about 36620.2561023268. The cubic root of 1341043157 is about 1102.7597801392.

Adding to 1341043157 its reverse (7513401431), we get a palindrome (8854444588).

The spelling of 1341043157 in words is "one billion, three hundred forty-one million, forty-three thousand, one hundred fifty-seven".