134144220040 has 32 divisors (see below), whose sum is σ = 312232239000. Its totient is φ = 51807422464.

The previous prime is 134144220037. The next prime is 134144220103. The reversal of 134144220040 is 40022441431.

It can be written as a sum of positive squares in 4 ways, for example, as 123761832804 + 10382387236 = 351798^2 + 101894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134144219987 and 134144220014.

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, 57819625 + ... + 57821944.

Almost surely, 2^134144220040 is an apocalyptic number.

134144220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134144220040 is an abundant number, since it is smaller than the sum of its proper divisors (178088018960).

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

134144220040 is a wasteful number, since it uses less digits than its factorization.

134144220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115641609 (or 115641605 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 134144220040 its reverse (40022441431), we get a palindrome (174166661471).

The spelling of 134144220040 in words is "one hundred thirty-four billion, one hundred forty-four million, two hundred twenty thousand, forty".