1305326141 has 12 divisors (see below), whose sum is σ = 1519492320. Its totient is φ = 1118076120.

The previous prime is 1305326117. The next prime is 1305326171. The reversal of 1305326141 is 1416235031.

It is not a de Polignac number, because 1305326141 - 2¹⁰ = 1305325117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1305326141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305326111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68936 + ... + 85806.

It is an arithmetic number, because the mean of its divisors is an integer number (126624360).

Almost surely, 2^1305326141 is an apocalyptic number.

It is an amenable number.

1305326141 is a deficient number, since it is larger than the sum of its proper divisors (214166179).

1305326141 is a wasteful number, since it uses less digits than its factorization.

1305326141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18464 (or 18457 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1305326141 is about 36129.2975436833. The cubic root of 1305326141 is about 1092.8813425072.

The spelling of 1305326141 in words is "one billion, three hundred five million, three hundred twenty-six thousand, one hundred forty-one".