142131006 has 24 divisors (see below), whose sum is σ = 308215440. Its totient is φ = 47336256.

The previous prime is 142130993. The next prime is 142131047. The reversal of 142131006 is 600131241.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142131006.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24151 + ... + 29453.

It is an arithmetic number, because the mean of its divisors is an integer number (12842310).

Almost surely, 2^142131006 is an apocalyptic number.

142131006 is an abundant number, since it is smaller than the sum of its proper divisors (166084434).

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

142131006 is a wasteful number, since it uses less digits than its factorization.

142131006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800 (or 6797 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 142131006 is about 11921.8709102221. The cubic root of 142131006 is about 521.8707347160.

Adding to 142131006 its reverse (600131241), we get a palindrome (742262247).

The spelling of 142131006 in words is "one hundred forty-two million, one hundred thirty-one thousand, six".