134206042 has 4 divisors (see below), whose sum is σ = 201309066. Its totient is φ = 67103020.

The previous prime is 134206031. The next prime is 134206049. The reversal of 134206042 is 240602431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240602431 = 2381 ⋅101051.

It can be written as a sum of positive squares in only one way, i.e., 118831801 + 15374241 = 10901^2 + 3921^2 .

It is a super-4 number, since 4×134206042⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (134206049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33551509 + ... + 33551512.

Almost surely, 2^134206042 is an apocalyptic number.

134206042 is a deficient number, since it is larger than the sum of its proper divisors (67103024).

134206042 is an equidigital number, since it uses as much as digits as its factorization.

134206042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67103023.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134206042 is about 11584.7331432364. The cubic root of 134206042 is about 511.9851400513.

Adding to 134206042 its reverse (240602431), we get a palindrome (374808473).

The spelling of 134206042 in words is "one hundred thirty-four million, two hundred six thousand, forty-two".