1305446140136 has 64 divisors (see below), whose sum is σ = 2558584627200. Its totient is φ = 623256942528.

The previous prime is 1305446140121. The next prime is 1305446140139. The reversal of 1305446140136 is 6310416445031.

It is a self number, because there is not a number n which added to its sum of digits gives 1305446140136.

It is not an unprimeable number, because it can be changed into a prime (1305446140139) 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, 388639625 + ... + 388642983.

It is an arithmetic number, because the mean of its divisors is an integer number (39977884800).

Almost surely, 2^{1305446140136} is an apocalyptic number.

It is an amenable number.

1305446140136 is a deficient number, since it is larger than the sum of its proper divisors (1253138487064).

1305446140136 is a wasteful number, since it uses less digits than its factorization.

1305446140136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438 (or 6434 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1305446140136 in words is "one trillion, three hundred five billion, four hundred forty-six million, one hundred forty thousand, one hundred thirty-six".