134421240242 has 32 divisors (see below), whose sum is σ = 212921369280. Its totient is φ = 63470373120.

The previous prime is 134421240221. The next prime is 134421240259. The reversal of 134421240242 is 242042124431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16197038 + ... + 16205334.

It is an arithmetic number, because the mean of its divisors is an integer number (6653792790).

Almost surely, 2^134421240242 is an apocalyptic number.

134421240242 is a deficient number, since it is larger than the sum of its proper divisors (78500129038).

134421240242 is a wasteful number, since it uses less digits than its factorization.

134421240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 134421240242 its reverse (242042124431), we get a palindrome (376463364673).

The spelling of 134421240242 in words is "one hundred thirty-four billion, four hundred twenty-one million, two hundred forty thousand, two hundred forty-two".