134021343240 has 96 divisors (see below), whose sum is σ = 435694797720. Its totient is φ = 35728733184.

The previous prime is 134021343223. The next prime is 134021343251. The reversal of 134021343240 is 42343120431.

134021343240 is a `hidden beast` number, since 1 + 3 + 402 + 13 + 4 + 3 + 240 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67175309124 + 66846034116 = 259182^2 + 258546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1241674 + ... + 1345286.

Almost surely, 2^134021343240 is an apocalyptic number.

134021343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134021343240 is an abundant number, since it is smaller than the sum of its proper divisors (301673454480).

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

134021343240 is a wasteful number, since it uses less digits than its factorization.

134021343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107223 (or 107216 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 134021343240 its reverse (42343120431), we get a palindrome (176364463671).

The spelling of 134021343240 in words is "one hundred thirty-four billion, twenty-one million, three hundred forty-three thousand, two hundred forty".