134340343420 has 12 divisors (see below), whose sum is σ = 282114721224. Its totient is φ = 53736137360.

The previous prime is 134340343343. The next prime is 134340343439. The reversal of 134340343420 is 24343043431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3358508566 + ... + 3358508605.

It is an arithmetic number, because the mean of its divisors is an integer number (23509560102).

Almost surely, 2^134340343420 is an apocalyptic number.

134340343420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134340343420 is an abundant number, since it is smaller than the sum of its proper divisors (147774377804).

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

134340343420 is a wasteful number, since it uses less digits than its factorization.

134340343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717017180 (or 6717017178 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 134340343420 its reverse (24343043431), we get a palindrome (158683386851).

The spelling of 134340343420 in words is "one hundred thirty-four billion, three hundred forty million, three hundred forty-three thousand, four hundred twenty".