1305532143013 has 8 divisors (see below), whose sum is σ = 1495259280128. Its totient is φ = 1116610642224.

The previous prime is 1305532142977. The next prime is 1305532143023. The reversal of 1305532143013 is 3103412355031.

It is a happy number.

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

It is not a de Polignac number, because 1305532143013 - 2⁹ = 1305532142501 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 (1305532143023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201405606 + ... + 201412087.

It is an arithmetic number, because the mean of its divisors is an integer number (186907410016).

Almost surely, 2^{1305532143013} is an apocalyptic number.

It is an amenable number.

1305532143013 is a deficient number, since it is larger than the sum of its proper divisors (189727137115).

1305532143013 is an equidigital number, since it uses as much as digits as its factorization.

1305532143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402818163.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1305532143013 its reverse (3103412355031), we get a palindrome (4408944498044).

The spelling of 1305532143013 in words is "one trillion, three hundred five billion, five hundred thirty-two million, one hundred forty-three thousand, thirteen".