1306066434540 has 96 divisors (see below), whose sum is σ = 4399381701120. Its totient is φ = 282817391616.

The previous prime is 1306066434509. The next prime is 1306066434553. The reversal of 1306066434540 is 454346606031.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1306066434492 and 1306066434501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81825757 + ... + 81841716.

It is an arithmetic number, because the mean of its divisors is an integer number (45826892720).

Almost surely, 2^{1306066434540} is an apocalyptic number.

1306066434540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306066434540 is an abundant number, since it is smaller than the sum of its proper divisors (3093315266580).

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

1306066434540 is a wasteful number, since it uses less digits than its factorization.

1306066434540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163667511 (or 163667509 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 1306066434540 in words is "one trillion, three hundred six billion, sixty-six million, four hundred thirty-four thousand, five hundred forty".