142220113 has 8 divisors (see below), whose sum is σ = 172098432. Its totient is φ = 114732096.

The previous prime is 142220107. The next prime is 142220137. The reversal of 142220113 is 311022241.

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

It is a cyclic number.

It is not a de Polignac number, because 142220113 - 2¹⁷ = 142089041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142220153) 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, 597445 + ... + 597682.

It is an arithmetic number, because the mean of its divisors is an integer number (21512304).

Almost surely, 2^142220113 is an apocalyptic number.

It is an amenable number.

142220113 is a deficient number, since it is larger than the sum of its proper divisors (29878319).

142220113 is a wasteful number, since it uses less digits than its factorization.

142220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195151.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142220113 is about 11925.6074478410. The cubic root of 142220113 is about 521.9797717288.

Adding to 142220113 its reverse (311022241), we get a palindrome (453242354).

The spelling of 142220113 in words is "one hundred forty-two million, two hundred twenty thousand, one hundred thirteen".