1341378613 has 2 divisors, whose sum is σ = 1341378614. Its totient is φ = 1341378612.

The previous prime is 1341378611. The next prime is 1341378707. The reversal of 1341378613 is 3168731431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1277490564 + 63888049 = 35742^2 + 7993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341378613 - 2¹ = 1341378611 is a prime.

Together with 1341378611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341378611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670689306 + 670689307.

It is an arithmetic number, because the mean of its divisors is an integer number (670689307).

Almost surely, 2^1341378613 is an apocalyptic number.

It is an amenable number.

1341378613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341378613 is an equidigital number, since it uses as much as digits as its factorization.

1341378613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 1341378613 is about 36624.8360132848. The cubic root of 1341378613 is about 1102.8517226299.

The spelling of 1341378613 in words is "one billion, three hundred forty-one million, three hundred seventy-eight thousand, six hundred thirteen".