1306054135220 has 24 divisors (see below), whose sum is σ = 2742809084064. Its totient is φ = 522403482656.

The previous prime is 1306054135193. The next prime is 1306054135241. The reversal of 1306054135220 is 225314506031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538694 + ... + 1703613.

It is an arithmetic number, because the mean of its divisors is an integer number (114283711836).

Almost surely, 2^{1306054135220} is an apocalyptic number.

1306054135220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306054135220 is an abundant number, since it is smaller than the sum of its proper divisors (1436754948844).

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

1306054135220 is a wasteful number, since it uses less digits than its factorization.

1306054135220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271439 (or 2271437 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 1306054135220 in words is "one trillion, three hundred six billion, fifty-four million, one hundred thirty-five thousand, two hundred twenty".