142012134 has 36 divisors (see below), whose sum is σ = 338213148. Its totient is φ = 43033320.

The previous prime is 142012121. The next prime is 142012139. The reversal of 142012134 is 431210241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012139) 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 17 ways as a sum of consecutive naturals, for example, 30424 + ... + 34779.

Almost surely, 2^142012134 is an apocalyptic number.

142012134 is an abundant number, since it is smaller than the sum of its proper divisors (196201014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142012134 is a wasteful number, since it uses less digits than its factorization.

142012134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65233 (or 65219 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142012134 is about 11916.8844082671. The cubic root of 142012134 is about 521.7252043765.

Adding to 142012134 its reverse (431210241), we get a palindrome (573222375).

The spelling of 142012134 in words is "one hundred forty-two million, twelve thousand, one hundred thirty-four".