134021313000020 has 24 divisors (see below), whose sum is σ = 298000331259624. Its totient is φ = 50455082541056.

The previous prime is 134021313000019. The next prime is 134021313000073. The reversal of 134021313000020 is 20000313120431.

It can be written as a sum of positive squares in 4 ways, for example, as 5809806405316 + 128211506594704 = 2410354^2 + 11323052^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 134021312999956 and 134021313000001.

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, 197090165837 + ... + 197090166516.

It is an arithmetic number, because the mean of its divisors is an integer number (12416680469151).

Almost surely, 2^{134021313000020} is an apocalyptic number.

134021313000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134021313000020 is an abundant number, since it is smaller than the sum of its proper divisors (163979018259604).

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

134021313000020 is a wasteful number, since it uses less digits than its factorization.

134021313000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394180332379 (or 394180332377 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 134021313000020 its reverse (20000313120431), we get a palindrome (154021626120451).

The spelling of 134021313000020 in words is "one hundred thirty-four trillion, twenty-one billion, three hundred thirteen million, twenty", and thus it is an aban number.