1305941236013 has 16 divisors (see below), whose sum is σ = 1340866296000. Its totient is φ = 1271527880832.

The previous prime is 1305941236003. The next prime is 1305941236031. The reversal of 1305941236013 is 3106321495031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1305941236013 - 2⁸ = 1305941235757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305941236003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768318 + ... + 3205536.

It is an arithmetic number, because the mean of its divisors is an integer number (83804143500).

Almost surely, 2^{1305941236013} is an apocalyptic number.

It is an amenable number.

1305941236013 is a deficient number, since it is larger than the sum of its proper divisors (34925059987).

1305941236013 is a wasteful number, since it uses less digits than its factorization.

1305941236013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437804.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 1305941236013 in words is "one trillion, three hundred five billion, nine hundred forty-one million, two hundred thirty-six thousand, thirteen".