134120342 has 4 divisors (see below), whose sum is σ = 201180516. Its totient is φ = 67060170.

The previous prime is 134120321. The next prime is 134120359. The reversal of 134120342 is 243021431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243021431 = 31 ⋅7839401.

It is a super-2 number, since 2×134120342² = 35976532276393928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33530084 + ... + 33530087.

It is an arithmetic number, because the mean of its divisors is an integer number (50295129).

Almost surely, 2^134120342 is an apocalyptic number.

134120342 is a deficient number, since it is larger than the sum of its proper divisors (67060174).

134120342 is an equidigital number, since it uses as much as digits as its factorization.

134120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67060173.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134120342 is about 11581.0337189734. The cubic root of 134120342 is about 511.8761373350.

Adding to 134120342 its reverse (243021431), we get a palindrome (377141773).

The spelling of 134120342 in words is "one hundred thirty-four million, one hundred twenty thousand, three hundred forty-two".