678313142 has 8 divisors (see below), whose sum is σ = 1095736656. Its totient is φ = 313067592.

The previous prime is 678313127. The next prime is 678313187. The reversal of 678313142 is 241313876.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13044458 + ... + 13044509.

It is an arithmetic number, because the mean of its divisors is an integer number (136967082).

Almost surely, 2^678313142 is an apocalyptic number.

678313142 is a deficient number, since it is larger than the sum of its proper divisors (417423514).

678313142 is a wasteful number, since it uses less digits than its factorization.

678313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26088982.

The product of its digits is 24192, while the sum is 35.

The square root of 678313142 is about 26044.4455114713. The cubic root of 678313142 is about 878.6381924040.

The spelling of 678313142 in words is "six hundred seventy-eight million, three hundred thirteen thousand, one hundred forty-two".