142340130 has 48 divisors (see below), whose sum is σ = 370860984. Its totient is φ = 37877760.

The previous prime is 142340117. The next prime is 142340131. The reversal of 142340130 is 31043241.

It can be written as a sum of positive squares in 4 ways, for example, as 135699201 + 6640929 = 11649^2 + 2577^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142340131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50560 + ... + 53300.

Almost surely, 2^142340130 is an apocalyptic number.

142340130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142340130 is an abundant number, since it is smaller than the sum of its proper divisors (228520854).

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

142340130 is a wasteful number, since it uses less digits than its factorization.

142340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142340130 is about 11930.6382897144. The cubic root of 142340130 is about 522.1265602318.

Adding to 142340130 its reverse (31043241), we get a palindrome (173383371).

The spelling of 142340130 in words is "one hundred forty-two million, three hundred forty thousand, one hundred thirty".