134040142 has 8 divisors (see below), whose sum is σ = 201220776. Its totient is φ = 66966552.

The previous prime is 134040107. The next prime is 134040143. The reversal of 134040142 is 241040431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134040143) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 23553 + ... + 28684.

It is an arithmetic number, because the mean of its divisors is an integer number (25152597).

Almost surely, 2^134040142 is an apocalyptic number.

134040142 is a deficient number, since it is larger than the sum of its proper divisors (67180634).

134040142 is a wasteful number, since it uses less digits than its factorization.

134040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53522.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 134040142 is about 11577.5706432740. The cubic root of 134040142 is about 511.7740880584.

Adding to 134040142 its reverse (241040431), we get a palindrome (375080573).

The spelling of 134040142 in words is "one hundred thirty-four million, forty thousand, one hundred forty-two".