20140422134140 has 96 divisors (see below), whose sum is σ = 53253379404288. Its totient is φ = 6215380320000.

The previous prime is 20140422134089. The next prime is 20140422134201. The reversal of 20140422134140 is 4143122404102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20140422134099 and 20140422134108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64588006 + ... + 64899085.

It is an arithmetic number, because the mean of its divisors is an integer number (554722702128).

Almost surely, 2^{20140422134140} is an apocalyptic number.

20140422134140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20140422134140 is an abundant number, since it is smaller than the sum of its proper divisors (33112957270148).

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

20140422134140 is a wasteful number, since it uses less digits than its factorization.

20140422134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129487219 (or 129487217 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20140422134140 its reverse (4143122404102), we get a palindrome (24283544538242).

The spelling of 20140422134140 in words is "twenty trillion, one hundred forty billion, four hundred twenty-two million, one hundred thirty-four thousand, one hundred forty".