656854142 has 8 divisors (see below), whose sum is σ = 1126035696. Its totient is φ = 281508912.

The previous prime is 656854141. The next prime is 656854181. The reversal of 656854142 is 241458656.

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

It is a self number, because there is not a number n which added to its sum of digits gives 656854142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656854141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23459063 + ... + 23459090.

It is an arithmetic number, because the mean of its divisors is an integer number (140754462).

Almost surely, 2^656854142 is an apocalyptic number.

656854142 is a deficient number, since it is larger than the sum of its proper divisors (469181554).

656854142 is a wasteful number, since it uses less digits than its factorization.

656854142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46918162.

The product of its digits is 230400, while the sum is 41.

The square root of 656854142 is about 25629.1658467458. The cubic root of 656854142 is about 869.2732478370.

The spelling of 656854142 in words is "six hundred fifty-six million, eight hundred fifty-four thousand, one hundred forty-two".