134240142140440 has 96 divisors (see below), whose sum is σ = 353917646421120. Its totient is φ = 45689241196032.

The previous prime is 134240142140437. The next prime is 134240142140443. The reversal of 134240142140440 is 44041241042431.

It is an interprime number because it is at equal distance from previous prime (134240142140437) and next prime (134240142140443).

It is a junction number, because it is equal to n+sod(n) for n = 134240142140396 and 134240142140405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134240142140443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249694504 + ... + 250231543.

It is an arithmetic number, because the mean of its divisors is an integer number (3686642150220).

Almost surely, 2^{134240142140440} is an apocalyptic number.

134240142140440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134240142140440 is an abundant number, since it is smaller than the sum of its proper divisors (219677504280680).

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

134240142140440 is a wasteful number, since it uses less digits than its factorization.

134240142140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499926209 (or 499926198 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 134240142140440 its reverse (44041241042431), we get a palindrome (178281383182871).

The spelling of 134240142140440 in words is "one hundred thirty-four trillion, two hundred forty billion, one hundred forty-two million, one hundred forty thousand, four hundred forty".