134242432320442 has 4 divisors (see below), whose sum is σ = 201363648480666. Its totient is φ = 67121216160220.

The previous prime is 134242432320407. The next prime is 134242432320499. The reversal of 134242432320442 is 244023234242431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72785314907761 + 61457117412681 = 8531431^2 + 7839459^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 134242432320395 and 134242432320404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33560608080109 + ... + 33560608080112.

Almost surely, 2^{134242432320442} is an apocalyptic number.

134242432320442 is a deficient number, since it is larger than the sum of its proper divisors (67121216160224).

134242432320442 is an equidigital number, since it uses as much as digits as its factorization.

134242432320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67121216160223.

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 134242432320442 its reverse (244023234242431), we get a palindrome (378265666562873).

The spelling of 134242432320442 in words is "one hundred thirty-four trillion, two hundred forty-two billion, four hundred thirty-two million, three hundred twenty thousand, four hundred forty-two".