142068734 has 4 divisors (see below), whose sum is σ = 213103104. Its totient is φ = 71034366.

The previous prime is 142068727. The next prime is 142068749. The reversal of 142068734 is 437860241.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 142068694 and 142068703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35517182 + ... + 35517185.

It is an arithmetic number, because the mean of its divisors is an integer number (53275776).

Almost surely, 2^142068734 is an apocalyptic number.

142068734 is a deficient number, since it is larger than the sum of its proper divisors (71034370).

142068734 is an equidigital number, since it uses as much as digits as its factorization.

142068734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034369.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 142068734 is about 11919.2589534753. The cubic root of 142068734 is about 521.7945076666.

The spelling of 142068734 in words is "one hundred forty-two million, sixty-eight thousand, seven hundred thirty-four".