134423142 has 16 divisors (see below), whose sum is σ = 307252992. Its totient is φ = 38406600.

The previous prime is 134423141. The next prime is 134423173. The reversal of 134423142 is 241324431.

134423142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134423142² = 36139162210304328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134423141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600234 + ... + 1600317.

It is an arithmetic number, because the mean of its divisors is an integer number (19203312).

Almost surely, 2^134423142 is an apocalyptic number.

134423142 is an abundant number, since it is smaller than the sum of its proper divisors (172829850).

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

134423142 is a wasteful number, since it uses less digits than its factorization.

134423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200563.

The product of its digits is 2304, while the sum is 24.

The square root of 134423142 is about 11594.0994475638. The cubic root of 134423142 is about 512.2610642711.

Adding to 134423142 its reverse (241324431), we get a palindrome (375747573).

The spelling of 134423142 in words is "one hundred thirty-four million, four hundred twenty-three thousand, one hundred forty-two".