1341778705458 has 8 divisors (see below), whose sum is σ = 2683557410928. Its totient is φ = 447259568484.

The previous prime is 1341778705429. The next prime is 1341778705471. The reversal of 1341778705458 is 8545078771431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1341778705458 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 111814892116 + ... + 111814892127.

It is an arithmetic number, because the mean of its divisors is an integer number (335444676366).

Almost surely, 2^{1341778705458} is an apocalyptic number.

1341778705458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1341778705458 is a wasteful number, since it uses less digits than its factorization.

1341778705458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223629784248.

The product of its (nonzero) digits is 26342400, while the sum is 60.

The spelling of 1341778705458 in words is "one trillion, three hundred forty-one billion, seven hundred seventy-eight million, seven hundred five thousand, four hundred fifty-eight".