142134012 has 36 divisors (see below), whose sum is σ = 359910096. Its totient is φ = 47295360.

The previous prime is 142134011. The next prime is 142134023. The reversal of 142134012 is 210431241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×142134012² = 40404154734432288, which contains 22 as substring.

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 (142134011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19588 + ... + 25844.

Almost surely, 2^142134012 is an apocalyptic number.

142134012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142134012 is an abundant number, since it is smaller than the sum of its proper divisors (217776084).

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

142134012 is a wasteful number, since it uses less digits than its factorization.

142134012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898 (or 6893 counting only the distinct ones).

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

The square root of 142134012 is about 11921.9969803720. The cubic root of 142134012 is about 521.8744137921.

Adding to 142134012 its reverse (210431241), we get a palindrome (352565253).

It can be divided in two parts, 14213 and 4012, that added together give a square (18225 = 135²).

The spelling of 142134012 in words is "one hundred forty-two million, one hundred thirty-four thousand, twelve".