1341578839 has 2 divisors, whose sum is σ = 1341578840. Its totient is φ = 1341578838.

The previous prime is 1341578813. The next prime is 1341578863. The reversal of 1341578839 is 9388751431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9388751431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1341578839 - 2⁹ = 1341578327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341578792 and 1341578801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341518839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670789419 + 670789420.

It is an arithmetic number, because the mean of its divisors is an integer number (670789420).

Almost surely, 2^1341578839 is an apocalyptic number.

1341578839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341578839 is an equidigital number, since it uses as much as digits as its factorization.

1341578839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 1341578839 is about 36627.5693842766. The cubic root of 1341578839 is about 1102.9065936908.

The spelling of 1341578839 in words is "one billion, three hundred forty-one million, five hundred seventy-eight thousand, eight hundred thirty-nine".