142434134 has 8 divisors (see below), whose sum is σ = 215188680. Its totient is φ = 70704576.

The previous prime is 142434113. The next prime is 142434137. The reversal of 142434134 is 431434241.

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 (142434137) 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, 255899 + ... + 256454.

It is an arithmetic number, because the mean of its divisors is an integer number (26898585).

Almost surely, 2^142434134 is an apocalyptic number.

142434134 is a deficient number, since it is larger than the sum of its proper divisors (72754546).

142434134 is a wasteful number, since it uses less digits than its factorization.

142434134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512494.

The product of its digits is 4608, while the sum is 26.

The square root of 142434134 is about 11934.5772442932. The cubic root of 142434134 is about 522.2414755506.

Adding to 142434134 its reverse (431434241), we get a palindrome (573868375).

The spelling of 142434134 in words is "one hundred forty-two million, four hundred thirty-four thousand, one hundred thirty-four".