134440434042 has 64 divisors (see below), whose sum is σ = 299926800000. Its totient is φ = 39924817920.

The previous prime is 134440434017. The next prime is 134440434047. The reversal of 134440434042 is 240434044431.

It is a junction number, because it is equal to n+sod(n) for n = 134440433994 and 134440434012.

It is not an unprimeable number, because it can be changed into a prime (134440434047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2392792 + ... + 2448332.

It is an arithmetic number, because the mean of its divisors is an integer number (4686356250).

Almost surely, 2^134440434042 is an apocalyptic number.

134440434042 is an abundant number, since it is smaller than the sum of its proper divisors (165486365958).

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

134440434042 is a wasteful number, since it uses less digits than its factorization.

134440434042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56831.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 134440434042 its reverse (240434044431), we get a palindrome (374874478473).

The spelling of 134440434042 in words is "one hundred thirty-four billion, four hundred forty million, four hundred thirty-four thousand, forty-two".