134443120420 has 48 divisors (see below), whose sum is σ = 322695531648. Its totient is φ = 46090206720.

The previous prime is 134443120393. The next prime is 134443120421. The reversal of 134443120420 is 24021344431.

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

It is not an unprimeable number, because it can be changed into a prime (134443120421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560060 + ... + 1643980.

It is an arithmetic number, because the mean of its divisors is an integer number (6722823576).

Almost surely, 2^134443120420 is an apocalyptic number.

134443120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134443120420 is an abundant number, since it is smaller than the sum of its proper divisors (188252411228).

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

134443120420 is a wasteful number, since it uses less digits than its factorization.

134443120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95380 (or 95378 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 134443120420 its reverse (24021344431), we get a palindrome (158464464851).

The spelling of 134443120420 in words is "one hundred thirty-four billion, four hundred forty-three million, one hundred twenty thousand, four hundred twenty".