1305461406542 has 16 divisors (see below), whose sum is σ = 2016494102832. Its totient is φ = 633490079040.

The previous prime is 1305461406541. The next prime is 1305461406553. The reversal of 1305461406542 is 2456041645031.

It is a self number, because there is not a number n which added to its sum of digits gives 1305461406542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305461406541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48329759 + ... + 48356762.

It is an arithmetic number, because the mean of its divisors is an integer number (126030881427).

Almost surely, 2^{1305461406542} is an apocalyptic number.

1305461406542 is a deficient number, since it is larger than the sum of its proper divisors (711032696290).

1305461406542 is a wasteful number, since it uses less digits than its factorization.

1305461406542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96686723.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1305461406542 in words is "one trillion, three hundred five billion, four hundred sixty-one million, four hundred six thousand, five hundred forty-two".