1305140230620 has 96 divisors (see below), whose sum is σ = 4069686297600. Its totient is φ = 347244535872.

The previous prime is 1305140230613. The next prime is 1305140230621. The reversal of 1305140230620 is 260320415031.

1305140230620 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 1 + 4 + 0 + 2 + 30 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305140230621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2515704 + ... + 2989823.

It is an arithmetic number, because the mean of its divisors is an integer number (42392565600).

Almost surely, 2^{1305140230620} is an apocalyptic number.

1305140230620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305140230620 is an abundant number, since it is smaller than the sum of its proper divisors (2764546066980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1305140230620 is a wasteful number, since it uses less digits than its factorization.

1305140230620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505984 (or 5505976 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1305140230620 its reverse (260320415031), we get a palindrome (1565460645651).

The spelling of 1305140230620 in words is "one trillion, three hundred five billion, one hundred forty million, two hundred thirty thousand, six hundred twenty".