142125613 has 8 divisors (see below), whose sum is σ = 164255040. Its totient is φ = 120452640.

The previous prime is 142125589. The next prime is 142125617. The reversal of 142125613 is 316521241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-142125613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142125617) 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 7 ways as a sum of consecutive naturals, for example, 113443 + ... + 114688.

It is an arithmetic number, because the mean of its divisors is an integer number (20531880).

Almost surely, 2^142125613 is an apocalyptic number.

It is an amenable number.

142125613 is a deficient number, since it is larger than the sum of its proper divisors (22129427).

142125613 is an equidigital number, since it uses as much as digits as its factorization.

142125613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228227.

The product of its digits is 1440, while the sum is 25.

The square root of 142125613 is about 11921.6447271339. The cubic root of 142125613 is about 521.8641340346.

Adding to 142125613 its reverse (316521241), we get a palindrome (458646854).

The spelling of 142125613 in words is "one hundred forty-two million, one hundred twenty-five thousand, six hundred thirteen".