134821239344 has 20 divisors (see below), whose sum is σ = 284963074440. Its totient is φ = 61282381440.

The previous prime is 134821239317. The next prime is 134821239349. The reversal of 134821239344 is 443932128431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 134821239295 and 134821239304.

It is not an unprimeable number, because it can be changed into a prime (134821239349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383014709 + ... + 383015060.

It is an arithmetic number, because the mean of its divisors is an integer number (14248153722).

Almost surely, 2^134821239344 is an apocalyptic number.

It is an amenable number.

134821239344 is an abundant number, since it is smaller than the sum of its proper divisors (150141835096).

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

134821239344 is a wasteful number, since it uses less digits than its factorization.

134821239344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766029788 (or 766029782 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 134821239344 in words is "one hundred thirty-four billion, eight hundred twenty-one million, two hundred thirty-nine thousand, three hundred forty-four".