1341505379 has 2 divisors, whose sum is σ = 1341505380. Its totient is φ = 1341505378.

The previous prime is 1341505339. The next prime is 1341505387. The reversal of 1341505379 is 9735051431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1341505379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1341505339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670752689 + 670752690.

It is an arithmetic number, because the mean of its divisors is an integer number (670752690).

Almost surely, 2^1341505379 is an apocalyptic number.

1341505379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341505379 is an equidigital number, since it uses as much as digits as its factorization.

1341505379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1341505379 is about 36626.5665740047. The cubic root of 1341505379 is about 1102.8864629327.

The spelling of 1341505379 in words is "one billion, three hundred forty-one million, five hundred five thousand, three hundred seventy-nine".