1341345578 has 4 divisors (see below), whose sum is σ = 2012018370. Its totient is φ = 670672788.

The previous prime is 1341345559. The next prime is 1341345583. The reversal of 1341345578 is 8755431431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 702621049 + 638724529 = 26507^2 + 25273^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335336393 + ... + 335336396.

Almost surely, 2^1341345578 is an apocalyptic number.

1341345578 is a deficient number, since it is larger than the sum of its proper divisors (670672792).

1341345578 is an equidigital number, since it uses as much as digits as its factorization.

1341345578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670672791.

The product of its digits is 201600, while the sum is 41.

The square root of 1341345578 is about 36624.3850187276. The cubic root of 1341345578 is about 1102.8426690076.

The spelling of 1341345578 in words is "one billion, three hundred forty-one million, three hundred forty-five thousand, five hundred seventy-eight".