142119686 has 8 divisors (see below), whose sum is σ = 220056384. Its totient is φ = 68767560.

The previous prime is 142119671. The next prime is 142119707. The reversal of 142119686 is 686911241.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146065 + ... + 1146188.

It is an arithmetic number, because the mean of its divisors is an integer number (27507048).

Almost surely, 2^142119686 is an apocalyptic number.

142119686 is a deficient number, since it is larger than the sum of its proper divisors (77936698).

142119686 is a wasteful number, since it uses less digits than its factorization.

142119686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292286.

The product of its digits is 20736, while the sum is 38.

The square root of 142119686 is about 11921.3961430698. The cubic root of 142119686 is about 521.8568795793.

The spelling of 142119686 in words is "one hundred forty-two million, one hundred nineteen thousand, six hundred eighty-six".