142013605 has 8 divisors (see below), whose sum is σ = 170597664. Its totient is φ = 113490000.

The previous prime is 142013591. The next prime is 142013617. The reversal of 142013605 is 506310241.

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-142013605 is a prime.

It is a super-3 number, since 3×142013605³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9771 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (21324708).

Almost surely, 2^142013605 is an apocalyptic number.

It is an amenable number.

142013605 is a deficient number, since it is larger than the sum of its proper divisors (28584059).

142013605 is an equidigital number, since it uses as much as digits as its factorization.

142013605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30227.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 142013605 is about 11916.9461272593. The cubic root of 142013605 is about 521.7270057604.

Adding to 142013605 its reverse (506310241), we get a palindrome (648323846).

The spelling of 142013605 in words is "one hundred forty-two million, thirteen thousand, six hundred five".